Vibration angle control method and system in concrete pouring process

By adjusting the angle and travel speed of the vibrating equipment, and optimizing the application field distribution of the vibrating equipment, the problem of uniform density in the construction of ultra-thick concrete pavement was solved. This also solved the problems of insufficient local density and poor uniformity in existing technologies, achieving high-efficiency construction quality and safety.

CN121250752APending Publication Date: 2026-01-02CHINA RAILWAY BEIJING ENG GRP CO LTD +1
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Patent Information

Application Number
CN202511170358.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-20
Publication Date
2026-01-02

AI Technical Summary

Technical Problem

In the construction of ultra-thick concrete pavements, existing methods neglect the impact of changes in the angle between the vibrating equipment and the horizontal plane on the vibration effect, resulting in insufficient compaction or poor uniformity in some areas, which affects the service life and safety of the project.

Method used

By collecting layer thickness data and the initial angle of the vibrating equipment, the changes in the inclination of the insertion trajectory of the vibrating equipment are analyzed to generate the distribution of vibration force intensity, identify areas with insufficient transmission, adjust the angle and travel speed, optimize the vibration time allocation scheme, simulate the distribution of vibration force field through simulation until the preset coverage rate is reached, and determine the final execution scheme.

Benefits of technology

This improved the overall density and uniformity of ultra-thick concrete pavement, reduced quality defects caused by improper vibration, and improved construction efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a vibration angle control method and system in the concrete pouring process. Collecting layer thickness data of the concrete pavement and an initial included angle of vibrating equipment, and determining an initial adjustment range of the included angle; the insertion track is analyzed, and the distribution condition of the vibration force intensity is determined; identifying an area with insufficient vibration force transmission, simulating to obtain a vibration force transmission path and determining a first included angle; according to the relation between the included angle and the force acting time, rationality judgment is conducted on the vibrating time; the advancing speed of the vibrating equipment is adjusted according to the first included angle; corresponding vibration time is calculated, and a time scheme is determined; and generating control parameters according to the time scheme, and adjusting the scheme based on the compactness to obtain a final execution scheme. Through multiple times of feedback, judgment and adjustment, whether the vibrating process meets the requirements for the angle, the speed and the compactness or not is accurately known, the problems that the ultra-thick concrete pavement is uneven in vibrating and insufficient in deep layer compactness are effectively solved, and the pavement construction quality and efficiency are improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of civil engineering, in particular to a concrete pouring process vibration angle control method and system. BACKGROUND

[0002] In the field of civil engineering, the construction quality of concrete pavement is directly related to the durability and safety of infrastructure, and is an important cornerstone to ensure traffic operation and urban development. Especially in the construction of super-thick concrete pavement, ensuring the compactness and uniformity of concrete becomes the key to determine the service life of the project.

[0003] However, in the current construction of super-thick concrete pavement, the existing methods pay more attention to the basic function implementation of the equipment, and ignore the deep interaction between the operation angle of the equipment and the thickness change of the concrete, which makes it common to have local compactness deficiency or poor uniformity in construction. In the construction of super-thick concrete pavement, the change of the angle between the vibration equipment and the horizontal plane becomes the core factor affecting the vibration effect, which is first reflected in the change of the inclination degree of the insertion track. When the thickness increases, the adjustment of the inclination angle directly affects the transmission path of the vibration force in the concrete. If the angle is not adjusted properly, the vibration force may not effectively cover the deep area, and then it is difficult to remove the internal bubbles, and the compactness is unevenly distributed. This further affects the coordination between the vibration equipment speed and the vibration time, because the angle change will change the action time and range of force, if the speed and time are not optimized synchronously, the uniformity of the compactness may be exacerbated, and even construction quality problems may be caused. Therefore, how to scientifically adjust the angle between the vibration equipment and the horizontal plane, and on this basis, optimize the matching relationship between the travel speed and the vibration time, to improve the internal bubble removal efficiency and the uniformity of the compactness of the super-thick concrete pavement, has become a key problem that needs to be solved in this research. SUMMARY

[0004] In order to solve the above technical problems, the present application provides a concrete pouring process vibration angle control method and corresponding concrete pouring process vibration angle control system, computing device and computer storage medium.

[0005] According to one aspect of the present application, a concrete pouring process vibration angle control method is provided, the method comprising:

[0006] Collecting layer thickness data of the super-thick concrete pavement and the initial angle of the vibration equipment, determining different thickness regions according to the layer thickness data, and determining the preliminary adjustment range of the vibration equipment angle based on the thickness change of the different thickness regions;

[0007] According to the preliminary adjustment range of the vibration equipment included angle, the vibration equipment insertion depth, the incidence angle and the insertion trajectory of the vibration equipment, the vibration force intensity of each depth position of the insertion trajectory under the change of the inclination degree of the insertion trajectory is analyzed, and the intensity distribution and coverage rate of the vibration force intensity are obtained;

[0008] According to the intensity distribution of the vibration force intensity, the vibration force transmission insufficient area is identified, the vibration force transmission path is obtained through simulation of the vibration force field distribution, the vibration equipment included angle of the vibration force transmission insufficient area is adjusted according to the simulated vibration force transmission path, until the coverage rate reaches the preset coverage rate threshold, and the first included angle is determined;

[0009] The concrete material characteristic data is obtained, the force action time of the vibration equipment in different thickness areas when the vibration equipment is set at the first included angle is obtained, the relationship between the force action time and the concrete density distribution is analyzed, the pair of uneven density areas is determined, and the rationality index of the vibration time is calculated to judge the rationality of the time distribution;

[0010] When it is determined that the vibration time distribution is not reasonable, the travel speed of the vibration equipment is adjusted according to the target density and the first included angle of the corresponding area, and a first speed adjustment value matched with the first included angle is obtained;

[0011] Based on the first speed adjustment value matched with the first included angle, the corresponding current vibration time is calculated, the time deviation between the current vibration time and the standard operation time is determined, based on the preset time difference threshold, it is determined whether to re-distribute the time, and the vibration time scheme is determined;

[0012] According to the vibration time scheme and the first speed adjustment value, the control parameters of the vibration equipment are generated, so as to control the vibration equipment to perform the vibration operation, and the density monitoring and judgment are performed, and when the judgment result meets the density requirement, the final execution scheme is determined.

[0013] In the above scheme, the layer thickness data of the super-thick concrete pavement and the initial included angle of the vibration equipment are collected, different thickness areas are determined according to the layer thickness data, and the preliminary adjustment range of the vibration equipment included angle is determined based on the thickness change of different thickness areas, and the method further comprises:

[0014] A plurality of first measuring points are set through a sensor array, layer thickness data of the super-thick concrete pavement is collected, and the initial included angle of the vibration equipment is obtained;

[0015] The thickness value of each first measuring point relative to the reference surface is obtained to determine the real-time thickness data of the area corresponding to each first measuring point, a space coordinate system is established to determine the spatial position of each first measuring point, and a region thickness distribution data set is generated;

[0016] According to the local change rate and a preset change rate threshold, a thickness abnormal area is determined.

[0017] According to the local change rate and a preset change rate threshold, a thickness abnormal area is determined.

[0018] A linear relationship between the local change rate of the thickness abnormal area and the angle adjustment amount is established, and the corresponding angle adjustment amount is determined based on the local change rate of the thickness abnormal area.

[0019] According to the angle adjustment amount of each thickness abnormal area, a target angle value of the corresponding thickness abnormal area is calculated, and target angle values of all remaining thickness normal areas are obtained, and a preliminary adjustment range of the angle of the vibrating device is determined.

[0020] In the above scheme, according to the preliminary adjustment range of the angle of the vibrating device, the insertion depth data of the vibrating device under different angles is obtained, and the spatial position sequence of the vibrating device from the surface of the concrete to the maximum insertion depth is recorded, and the insertion trajectory of the vibrating device each time is generated.

[0021] According to the preliminary adjustment range of the angle of the vibrating device, the insertion depth data of the vibrating device under different angles is obtained, and the spatial position sequence of the vibrating device from the surface of the concrete to the maximum insertion depth is recorded, and the insertion trajectory of the vibrating device each time is generated.

[0022] Based on the insertion trajectory, a second angle between each segment of the insertion trajectory and the vertical direction is calculated, and the average value of the second angles corresponding to each segment of the insertion trajectory is taken as a trajectory inclination degree value.

[0023] Based on the trajectory inclination degree value and the vibration parameters of the vibrating device, the vibration intensity values of each depth position on the insertion trajectory are calculated, and a vibration intensity distribution data set is generated.

[0024] According to the vibration intensity value corresponding to each depth position, an influence radius corresponding to each depth position is determined, a vibration force acting area is generated based on each depth position, and a three-dimensional space coverage range of the vibration force is generated by superimposing all acting areas.

[0025] According to the three-dimensional space coverage range, sampling points are set according to a preset grid spacing; it is judged whether each sampling point is located in the three-dimensional space coverage range, and the corresponding vibration intensity value is obtained; the number and spatial position of the sampling points with vibration intensity values greater than a preset vibration force threshold are counted.

[0026] Based on the statistical results, the intensity distribution and coverage rate of the vibration intensity are obtained.

[0027] In the scheme, the calculation of the vibration force intensity value at each depth position on the inserted trajectory based on the trajectory inclination degree value and the vibration parameter of the vibration equipment, and the generation of the vibration force intensity distribution data set further comprise:

[0028] The vibration force intensity value at each depth position on the inserted trajectory is calculated by applying a negative exponential decay function model, wherein the negative exponential decay function model is

[0029] I = I0·e -αL

[0030] Wherein, I is the decayed vibration force intensity value; I0 is the initial vibration force intensity value generated by the vibration equipment; e is the base of natural logarithm; a is the attenuation coefficient; L is the path length of vibration force propagation.

[0031] In the scheme, the vibration force transmission deficiency area is identified according to the intensity distribution of the vibration force intensity, the vibration force transmission path is obtained by simulating the vibration force field distribution, the vibration equipment angle of the vibration force transmission deficiency area is adjusted according to the simulated vibration force transmission path, and the first angle is determined until the coverage rate reaches the preset coverage rate threshold, and the first angle is determined. Further comprising:

[0032] According to the intensity distribution of the vibration force intensity, the under-vibration points are screened based on the minimum intensity threshold, and the area formed by connecting adjacent under-vibration points and having an area exceeding a preset area threshold is identified as a vibration force transmission deficiency area, and the boundary coordinates and geometric center coordinates thereof are determined.

[0033] According to the boundary coordinates and geometric center coordinates of the vibration force transmission deficiency area, a finite element model with the vibration equipment position as the vibration source is constructed to determine the vibration force transmission path in the vibration force transmission force field.

[0034] Based on the space area corresponding to the vibration force transmission path and the vibration force transmission deficiency area, the coverage rate is calculated, the coverage rate is adjusted step by step to reach the preset coverage rate threshold, and the first angle is determined.

[0035] In the scheme, the concrete material characteristic data is obtained, the force action time of the vibration equipment in different thickness areas when the vibration equipment is set at the first angle is obtained, the relationship between the force action time and the concrete density distribution is analyzed, the pair of uneven density areas is determined, the rationality of the vibration time is calculated, and the rationality of the time distribution is judged. Further comprising:

[0036] The concrete material characteristic data and the duration of each time of the vibration operation of the vibration equipment at the first angle are obtained.

[0037] The construction area is divided into different thickness areas based on a preset thickness interval, the average vibration time corresponding to each thickness area is counted, and the actual vibration time of the thickness area is formed.

[0038] Based on the actual vibration time and material characteristic data, and the actual compactness of the thickness area is measured, the logarithmic relationship model of the vibration time and the compactness is constructed, the thickness area identifier, the actual vibration time and the measured compactness are combined to form a compactness distribution data table;

[0039] According to the compactness distribution data table, the compactness difference between adjacent thickness areas is calculated, the compactness difference is judged by using the deviation threshold value, and the compactness uneven area pair is determined, and the identifier and the compactness difference of all uneven area pairs are recorded;

[0040] For the compactness uneven area pair, the theoretical vibration time required for each thickness area to reach the target compactness is inversely calculated according to the logarithmic relationship model of the vibration time and the compactness;

[0041] According to the theoretical vibration time and the actual vibration time corresponding to each thickness area, the rationality index of the vibration time is calculated to judge the rationality of the time allocation.

[0042] In the above scheme, when it is determined that the vibration time allocation is unreasonable, the advancing speed of the vibration equipment is adjusted according to the target compactness and the first included angle of the corresponding area to obtain a first speed adjustment value matched with the first included angle, and the method further comprises the following steps:

[0043] When it is determined that the vibration time allocation is unreasonable, the thickness value of the compactness low area and the advancing speed of the current vibration equipment are extracted, the effective action diameter of the vibration equipment is obtained as the influence range, and the actual unit area vibration time obtained in the area is calculated;

[0044] According to the difference between the actual compactness and the target compactness of the compactness low area, the unit area vibration time increment required to reach the target compactness is found through the pre-established vibration time and compactness increment relationship curve, the necessary unit area vibration time is obtained, the adjusted advancing speed and the first speed adjustment value are calculated;

[0045] The maximum allowed speed is calculated based on the adjusted advancing speed and the first included angle, and the adjusted advancing speed is verified;

[0046] The region thickness, the first included angle and the first speed adjustment value corresponding to each thickness area are combined to generate a speed adjustment scheme set.

[0047] In the above scheme, the current vibration time corresponding to the first speed adjustment value matched with the first included angle is calculated, the time deviation between the current vibration time and the standard operation time is determined, whether to re-perform time allocation is determined based on the preset time difference threshold value, and the vibration time scheme is determined, and the method further comprises the following steps:

[0048] Calculate the current vibration time based on the adjusted travel speed corresponding to each thickness area and the first speed adjustment value;

[0049] The region identifier, first speed adjustment value, construction length and current vibration time corresponding to each thickness region are combined to generate a basic dataset of vibration time.

[0050] Calculate the total time deviation based on the sum of the current vibration times for all thickness zones and the standard operating time;

[0051] If the absolute value of the total time deviation exceeds the preset time difference threshold, the time allocation priority is determined according to the thickness and density requirements of each area, and the standard working time is reallocated to each thickness area according to the weight ratio corresponding to the priority, so as to determine the target vibration time for each thickness area.

[0052] The optimal travel speed is calculated based on the target vibration time for each thickness region, and the vibration time scheme is determined.

[0053] In the above scheme, the step of generating control parameters for the vibrating equipment based on the vibration time scheme and the first speed adjustment value, thereby controlling the vibrating equipment to perform vibration operations, monitoring and judging the compaction degree, and determining the final execution scheme when the judgment result meets the compaction requirements, further includes:

[0054] Based on the target vibration time and first speed adjustment value for each thickness region, the corresponding first angle adjustment value is found using a pre-established table of speed and angle relationship. Combined with the first angle, the third angle corresponding to each thickness region is determined, and angle parameter configuration data is generated.

[0055] Based on the included angle parameter configuration data, control parameters for the vibrating equipment are generated and transmitted to the controller of the vibrating equipment to control the vibrating equipment to perform the vibration operation;

[0056] During the vibration operation, the compaction of each second measuring point is collected at a preset time interval to generate compaction monitoring data; the compaction monitoring data is compared with the standard compaction to calculate the compaction difference and determine whether the compaction difference is within the reasonable deviation range.

[0057] If the density difference of all second measuring points is within a reasonable deviation range, then the final execution plan is determined directly based on the current control parameters.

[0058] If the compactness difference value is not within the reasonable deviation range, a second speed adjustment value and a second included angle adjustment value are determined according to a preset adjustment rule, the control parameters are adjusted, and the corresponding compactness monitoring data is obtained again based on the adjusted control parameters to judge the current compactness difference value, until the compactness difference values of all the second measuring points are within the reasonable deviation range, and the current control parameters are determined as the final execution scheme.

[0059] According to another aspect of the present application, a concrete pouring process vibration angle control system is provided, comprising a data acquisition module, an adjustment range determination module, a vibration force distribution analysis module, a time distribution judgment module, a travel speed adjustment module, a time distribution optimization module, and a real-time monitoring and execution module; wherein,

[0060] The data acquisition module is configured to acquire layer thickness data of the super-thick concrete pavement and an initial included angle of the vibrating equipment, determine different thickness regions according to the layer thickness data, and determine a preliminary adjustment range of the included angle of the vibrating equipment based on thickness changes of the different thickness regions.

[0061] The adjustment range determination module is configured to analyze the vibration force intensity at each depth position of the insertion trajectory under the change of the insertion trajectory inclination degree according to the preliminary adjustment range of the included angle of the vibrating equipment and the insertion depth, the incident angle, and the insertion trajectory of the vibrating equipment, and obtain the intensity distribution of the vibration force intensity and the coverage rate.

[0062] The vibration force distribution analysis module is configured to identify a vibration force transmission insufficient region according to the intensity distribution of the vibration force intensity, obtain a vibration force transmission path by simulating the vibration force field distribution, adjust the included angle of the vibrating equipment in the vibration force transmission insufficient region according to the simulated vibration force transmission path, and determine a first included angle until the coverage rate reaches a preset coverage rate threshold.

[0063] The time distribution judgment module is configured to acquire concrete material characteristic data, acquire the force action time of the vibrating equipment in different thickness regions when the vibrating equipment is set at the first included angle, analyze the relationship between the force action time and the concrete compactness distribution, determine a pair of uneven compactness regions, and calculate a rationality index of the vibration time to make a rationality judgment of the time distribution.

[0064] The travel speed adjustment module is configured to adjust the travel speed of the vibrating equipment according to the target compactness and the first included angle of the corresponding region to obtain a first speed adjustment value matched with the first included angle when it is determined that the vibration time distribution is unreasonable.

[0065] The time allocation optimization module is configured to calculate a corresponding current vibrating time based on the first speed adjustment value matched with the first included angle, determine a time deviation between the current vibrating time and a standard operation time, determine whether to re-perform time allocation based on a preset time difference threshold, and determine a vibrating time scheme.

[0066] The real-time monitoring and execution module is configured to generate control parameters for the vibrating device according to the vibrating time scheme and the first speed adjustment value, control the vibrating device to perform a vibrating operation, and monitor and determine the compactness, and determine a final execution scheme when the determination result meets the compactness requirement.

[0067] According to the technical scheme provided in the application, after the layer thickness data of the super-thick concrete pavement and the initial included angle of the vibrating device are obtained, the preliminary adjustment range of the included angle is determined based on the thickness change of different regions, the target included angle value of the region with abnormal thickness change is determined, the maximum value and the minimum value are found out, and the adjustment range of the included angle of the vibrating device in the entire construction region is determined. This method not only ensures that each region can be properly vibrated, but also avoids frequent and large-angle adjustments, thereby improving the construction efficiency and the overall quality of the concrete. The vibrating force strength at each position of the insertion track of the vibrating device is accurately obtained through the insertion track and the vibration parameters of the vibrating device, and the three-dimensional space coverage range of the vibrating force is obtained through the determination of the influence radius. The strength distribution of the vibrating force is determined based on the preset threshold, and the coverage of the vibrating force is intuitively and accurately reflected. The transmission path of the region with insufficient vibrating force is simulated, and the included angle of the vibrating device is adjusted based on the coverage requirement, thereby avoiding the problems that the vibrating force mainly acts on the surface layer when the included angle is too small, the deep layer coverage is insufficient, the vibrating device is difficult to insert when the included angle is too large, and the effective depth is actually reduced. Based on the force acting time of the vibrating device in different thickness regions, the uniformity of the compactness is determined, the rationality of the vibrating time allocation is determined, the situation of low compactness is avoided, the engineering safety is improved, and the energy waste and aggregate segregation caused by excessive vibration are avoided. Moreover, the traveling speed is adjusted when the time allocation is unreasonable, so that it meets the maximum allowable speed. The construction speed is considered while ensuring sufficient vibration. The current vibrating time is calculated, and the time deviation is used to determine whether to adjust the time allocation, so as to ensure that the thick layer region obtains sufficient vibrating time and avoid deep layer compactness defects caused by insufficient time, thereby further balancing the efficiency and quality. The compactness value is monitored and determined, the running condition of the current parameters is used to further optimize the more scientific control parameters, the historical track of the parameter adjustment is recorded to provide valuable experience data for subsequent similar projects, and the overall compactness uniformity of the super-thick concrete pavement is significantly improved through the closed-loop control mode, thereby effectively reducing the quality defects caused by improper vibration.

[0068] Other features and advantages of the present application will be set forth in the description that follows, and in part will be apparent from the description, or can be learned by practice of the application. The purposes and other advantages of the present application will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

[0069] The technical solutions of the present application are described in further detail below with reference to the accompanying drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0070] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of the specification, illustrate embodiments of the present application and are used to explain the present application, but do not limit the present application. In the drawings:

[0071] Figure 1 A flowchart of a concrete pouring process vibration angle control method according to an embodiment of the present application is shown;

[0072] Figure 2 A flowchart of a preliminary adjustment range determination method for a vibration device included angle according to an embodiment of the present application is shown;

[0073] Figure 3 A flowchart of a vibration force intensity distribution determination method according to an embodiment of the present application is shown;

[0074] Figure 4 A flowchart of a included angle determination method based on vibration force coverage according to an embodiment of the present application is shown;

[0075] Figure 5 A flowchart of a vibration time rationality judgment method based on a pair of density uneven areas according to an embodiment of the present application is shown;

[0076] Figure 6 A flowchart of a vibration device travel speed adjustment method according to an embodiment of the present application is shown;

[0077] Figure 7 A flowchart of a vibration time optimization method based on deviation verification according to an embodiment of the present application is shown;

[0078] Figure 8 A flowchart of a vibration scheme determination method based on density monitoring according to an embodiment of the present application is shown;

[0079] Figure 9 A structural block diagram of a concrete pouring process vibration angle control system according to an embodiment of the present application is shown;

[0080] Figure 10A structural schematic diagram of a computing device according to an embodiment of the present application is shown. DETAILED DESCRIPTION

[0081] The preferred embodiments of the present application are described below in conjunction with the accompanying drawings, in which it is understood that the preferred embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0082] Figure 1 A flowchart of a concrete pouring process vibration angle control method according to an embodiment of the present application is shown, which comprises the following steps:

[0083] Step S101, layer thickness data of the super-thick concrete pavement and the initial included angle of the vibrating equipment are collected, different thickness regions are determined according to the layer thickness data, and the preliminary adjustment range of the included angle of the vibrating equipment is determined based on the thickness variation of the different thickness regions.

[0084] Step S102, the strength distribution of the vibrating force and the coverage rate are obtained by analyzing the vibrating force strength at each depth position of the insertion trajectory under the inclination degree variation of the insertion trajectory, according to the preliminary adjustment range of the included angle of the vibrating equipment and the insertion depth, the incident angle and the insertion trajectory of the vibrating equipment.

[0085] Step S103, the vibrating force transmission insufficient region is identified according to the strength distribution of the vibrating force, the vibrating force transmission path is obtained by simulating the vibrating force field distribution, the included angle of the vibrating equipment in the vibrating force transmission insufficient region is adjusted according to the simulated vibrating force transmission path, until the coverage rate reaches the preset coverage rate threshold, and the first included angle is determined.

[0086] Step S104, the concrete material property data is obtained, the force action time of the vibrating equipment in different thickness regions when the first included angle is set is obtained, the relationship between the force action time and the concrete density distribution is analyzed, the pair of uneven density regions is determined, and the rationality index of the vibrating time is calculated to judge the rationality of the time distribution.

[0087] Step S105, when it is determined that the vibrating time distribution is not reasonable, the traveling speed of the vibrating equipment is adjusted according to the target density and the first included angle of the corresponding region, and the first speed adjustment value matched with the first included angle is obtained.

[0088] Step S106, based on the first speed adjustment value matched with the first included angle, the corresponding current vibrating time is calculated, the time deviation between the current vibrating time and the standard operation time is determined, based on the preset time difference threshold, it is determined whether to re-distribute the time, and the vibrating time scheme is determined.

[0089] Step S107, generating a control parameter for the vibrating device according to the vibrating time scheme and the first speed adjustment value, so as to control the vibrating device to perform the vibrating operation, and to monitor and judge the compactness, and determining the final execution scheme when the judgment result meets the compactness requirement.

[0090] According to the concrete pouring process vibrating angle control method provided by the embodiment, the preliminary adjustment range of the included angle is determined based on the thickness change of different regions, so that appropriate vibrating treatment can be ensured for each region, and frequent large-angle adjustment is avoided, thereby improving the construction efficiency and the overall quality of the concrete; the strength distribution of the vibrating force is determined based on the preset threshold, so that the coverage of the vibrating force is intuitively and accurately reflected; the transmission path of the vibrating force insufficient region is obtained through simulation, and the included angle of the vibrating device is adjusted based on the coverage requirement, so that the included angle is more reasonable, and the depth coverage and the operation difficulty requirement are met at the same time; the compactness uneven regions are determined based on the force acting time, so as to judge the rationality of the vibrating time distribution, thereby improving the engineering safety and avoiding the risk caused by excessive vibrating; when the time distribution is unreasonable, the advancing speed is adjusted, so as to balance the construction speed under the condition of ensuring sufficient vibrating; the current vibrating time is calculated, and the time deviation is used to judge whether the time distribution needs to be adjusted, so as to ensure that the thick layer region obtains sufficient vibrating time, and the balance between efficiency and quality is realized; the compactness value is monitored and judged, the running condition of the current parameter is used, and more scientific control parameters are further optimized, so that the overall compactness uniformity of the super-thick concrete pavement is significantly improved through the closed-loop control mode, and the quality defects caused by improper vibrating are effectively reduced.

[0091] Figure 2 A flowchart of a preliminary adjustment range determination method for the included angle of the vibrating device according to an embodiment of the application is shown;

[0092] As Figure 2 shown, the method comprises the following steps:

[0093] Step S201, a plurality of first measuring points are set through a sensor array, layer thickness data of the super-thick concrete pavement is collected, and an initial included angle of the vibrating device is obtained.

[0094] Preferably, the sensor array is arranged in a grid manner, and the measuring points are usually arranged at an interval of 2 meters x 2 meters, and each measuring point is equipped with an ultrasonic thickness measuring sensor, which can collect the vertical distance from the concrete surface to the reference surface in real time. Such dense arrangement of measuring points can capture the slight thickness change in the concrete pouring process, and provide accurate data support for subsequent vibrating angle adjustment.

[0095] The included angle of the vibrating device refers to the angle formed between the vibrating device and the vertical direction of the concrete surface, which directly determines the transmission efficiency of the vibrating energy and the discharge effect of the bubbles inside the concrete. When the included angle is too large, the vibrating energy mainly acts on the surface layer, and the deep layer of concrete cannot be fully vibrated; when the included angle is too small, the vibrating device is easy to sink into the concrete, affecting the construction efficiency. Therefore, it is of great significance to dynamically adjust the vibrating angle according to the thickness changes of different regions.

[0096] In step S202, the thickness value of each first measuring point relative to the reference surface is obtained to determine the real-time thickness data of the region corresponding to each first measuring point, a spatial coordinate system is established to determine the spatial position of each first measuring point, and a region thickness distribution data set is generated.

[0097] In step S203, based on the region thickness distribution data set, the thickness difference and the distance between adjacent first measuring points are calculated, and the local change rate of the thickness between adjacent first measuring points is further determined.

[0098] In step S204, the local change rate and the preset change rate threshold are used to determine the thickness abnormal region.

[0099] For example, the calculation process of the local change rate reflects the quantitative evaluation of the thickness uniformity. When the thickness values of two adjacent measuring points are 180 mm and 195 mm respectively, and the distance between the measuring points is 2000 mm, the local change rate is calculated as (195-180) / 2000=0.0075. This value reflects the degree of thickness change per unit distance. The determination of the preset threshold is based on a large amount of engineering experience, and is usually set to be between 0.01 and 0.02. If the value exceeds this range, it indicates that there is a significant thickness non-uniformity in the region, and the vibrating parameters need to be adjusted.

[0100] In step S205, a linear relationship between the local change rate of the thickness abnormal region and the included angle adjustment amount is established, and the corresponding included angle adjustment amount is determined based on the local change rate of the thickness abnormal region.

[0101] Preferably, the establishment of the linear relationship is based on the principle of vibrating mechanics. The propagation depth of the vibrating energy in the concrete is positively correlated with the vibrating angle. When it is detected that the thickness of a certain region is too large, the vibrating angle needs to be increased to enhance the deep vibrating effect. The selection of the adjustment coefficient takes into account the fluidity of the concrete, the aggregate gradation and other factors, and the value is generally between 15 and 25. If the local change rate of a certain region is 0.015 and the adjustment coefficient is 20, the included angle adjustment amount is 0.015x20=0.3 degrees, indicating that the current included angle needs to be increased by 0.3 degrees.

[0102] Step S206, according to the angle adjustment amount of each thickness abnormal area, the target angle value of the corresponding thickness abnormal area is calculated, and the target angle value of the remaining all thickness normal areas is obtained, and the preliminary adjustment range of the vibration device angle is determined.

[0103] Specifically, the current angle value of the thickness normal area is the corresponding target angle value.

[0104] Further, the determination of the target angle value also needs to consider the physical limitation of the vibration device. The effective working angle range of most vibration devices is between 30 degrees and 75 degrees, and exceeding this range will cause the device efficiency to decrease or damage.

[0105] According to the above method, through the accurate control of the layer thickness, the pavement quality and service life are ensured in the construction of the super-thick concrete pavement, and through the target angle value calculated by extracting all the abnormal areas, the maximum value and the minimum value are found out, that is, the angle adjustment range of the vibration device in the whole construction area is determined. This method not only ensures that each area can be properly vibrated, but also avoids frequent large-angle adjustment, improves the construction efficiency and the overall quality of the concrete.

[0106] Figure 3 A flowchart of a vibration force strength distribution determination method according to an embodiment of the present application is shown;

[0107] As shown in Figure 3 , the method comprises the following steps:

[0108] Step S301, according to the preliminary adjustment range of the vibration device angle, the insertion depth data of the vibration device under different angles is obtained, and the spatial position sequence of the vibration device from the concrete surface to the maximum insertion depth is recorded, and the insertion trajectory of the vibration device each time is generated.

[0109] Preferably, the collection of the spatial position sequence is realized by installing a position sensor on the vibration device, and a three-dimensional coordinate point is recorded every 50 millimeters, and the actual insertion path can be accurately depicted through the connecting line of adjacent coordinate points. For example, when the vibration device is inserted into the concrete at an angle of 45 degrees, the trajectory formed presents a diagonal line feature.

[0110] Step S302, based on the insertion trajectory, the second angle between each segment of the insertion trajectory and the vertical direction is calculated, and the average value of the second angle corresponding to each segment of the insertion trajectory is taken as the trajectory inclination degree value.

[0111] Specifically, the inverse trigonometric function is used to calculate the angle between each segment of the trajectory and the vertical direction, that is, the second angle, and the average value of the second angle of each segment is taken as the trajectory inclination degree value.

[0112] Preferably, the application of the inverse trigonometric function makes the calculation of the inclination angle more accurate. For example, when the horizontal displacement of two adjacent points is 30 mm and the vertical displacement is 40 mm, the inclination angle of this section is calculated by the inverse tangent function to be about 36.87 degrees.

[0113] In step S303, based on the trajectory inclination degree value and the vibration parameters of the vibrating device, the vibration intensity value at each depth position on the trajectory is calculated to generate a vibration intensity distribution data set.

[0114] Preferably, a negative exponential decay function model is applied to calculate the vibration intensity value at each depth position on the trajectory; wherein the negative exponential decay function model is

[0115] I = I0·e -αL

[0116] wherein I is the decayed vibration intensity value; I0 is the initial vibration intensity value generated by the vibrating device; e is the base of natural logarithm; a is the attenuation coefficient; L is the path length of vibration force propagation.

[0117] Since the transmission of vibration force follows the law of energy attenuation, the mechanical vibration energy generated by the vibrating device will gradually weaken in the concrete medium due to the friction and viscous resistance between the concrete particles. The negative exponential function decay model can accurately describe this phenomenon, wherein the determination of the attenuation coefficient considers two key factors: the trajectory inclination degree directly affects the propagation direction of the vibration wave, and the larger the inclination angle, the smaller the energy component in the vertical direction; the material damping coefficient reflects the influence of the concrete mix proportion on vibration transmission, and the larger the aggregate size and the lower the water-cement ratio, the higher the damping coefficient.

[0118] For example, the determination of the attenuation coefficient depends on the material properties of the concrete, and the attenuation coefficient of the concrete with high coarse aggregate content is larger, and the attenuation coefficient of the concrete with fine aggregate as the main component is smaller. When the path length is 2 meters and the attenuation coefficient is 0.5, the vibration intensity will be attenuated to about 36.8% of the initial value.

[0119] Preferably, the vibration intensity distribution data set at least includes depth coordinates and corresponding vibration intensity values.

[0120] In step S304, according to the vibration intensity value corresponding to each depth position, the influence radius corresponding to each depth position is determined, the vibration force action area is generated based on each depth position, and the three-dimensional space coverage range of the vibration force is generated by superimposing all action areas.

[0121] Specifically, the calculation of the influence radius is based on the quantitative relationship between the vibration force and the action range.

[0122] Preferably, the influence radius is equal to the vibration intensity value divided by the concrete density and then square rooted.

[0123] The vibration intensity value represents the vibration energy per unit area. When the value is 1000 Newton, the influence radius obtained by square root operation is about 0.65 meters in the concrete with a density of 2400 kg / m3. This means that the concrete within the range of 0.65 meters from the center of the vibration device at this depth position can be effectively vibrated. With the increase of the depth, the vibration intensity decreases, and the corresponding influence radius gradually decreases. At a depth of 2 meters, the influence radius may be only 0.3 meters.

[0124] Preferably, the construction of the three-dimensional space coverage range adopts a cylindrical area superposition method. A cylindrical action area is formed at each depth position, the height of the cylinder is the distance between adjacent sampling points, and the radius is the influence radius at the position. All cylindrical areas are combined by Boolean operation to form a continuous three-dimensional coverage body. The advantage of this method is that it can intuitively show the coverage difference of the vibration force at different depths. The coverage body presents a tapered feature of wide at the top and narrow at the bottom due to the obvious attenuation of the vibration force in the deep layer area. In the grid sampling process in the deep layer area, the selection of the preset threshold is based on the concrete density requirement. The minimum vibration force required to make the concrete reach 95% density is usually taken as the threshold, which is generally between 200 and 300 Newton. Through statistical analysis, it is found that when more than 70% of the sampling points have vibration intensity values greater than the threshold, the deep layer concrete can achieve the ideal density effect.

[0125] In step S305, according to the three-dimensional space coverage range, the sampling points are set according to the preset grid spacing; it is judged whether each sampling point is located in the three-dimensional space coverage range, and the corresponding vibration intensity value is obtained; the number and spatial position of the sampling points with vibration intensity values greater than the preset vibration force threshold are counted.

[0126] Specifically, through the trajectory parameters of the vibration device insertion depth and incident angle, the diffusion range of the vibration wave in the vertical and horizontal directions is analyzed, and then the attenuation degree and coverage blind area of the vibration force in the bottom area of the thick layer of concrete are identified, the energy loss nodes in the vibration force transmission path are detected, the non-uniformity of the vibration force field intensity distribution in the deep layer area is determined, the deep layer dead angle position of bubble aggregation is located, the high-risk area of forming honeycomb surface and internal cavity is identified, and the distribution map of the correlation between the vibration force coverage effect and the deep layer density is established.

[0127] The trajectory parameters of the insertion depth and the incident angle of the vibrating device are preferably acquired, the initial fluctuation intensity is measured at the exciting point of the vibrating device by the acoustic wave detector, the fluctuation detection points are arranged in the vertical and horizontal directions to record the fluctuation intensity values, when the detected intensity value drops to half of the initial intensity value, the distance from the detection point to the exciting point is the diffusion radius, the vertical diffusion radius and the horizontal diffusion radius are obtained respectively, the ellipsoid formed by the bottom position of the thick layer of concrete and the diffusion radius is compared in space, and the bottom area outside the ellipsoid is the blind area of the vibrating coverage. Based on the spatial position of the blind area of the vibrating coverage, the shortest path length from the exciting point to each point in the blind area is measured, the vibrating force intensity decays according to the negative exponential function, the decayed intensity is equal to the initial intensity multiplied by the negative path length of the natural logarithm base number and the power of the decay coefficient, the density value of the concrete is detected along the transmission path, when the density difference between adjacent fluctuation detection points exceeds the preset threshold value, the position is recorded as an energy loss node, and the additional attenuation amount caused by all nodes on the cumulative path is accumulated. According to the position of the energy loss node and the cumulative attenuation amount, the vibrating force field intensity value of each point in the deep layer area is corrected, the average value of the intensity of each node and its adjacent eight nodes is calculated, if the difference between the intensity value of the node and the average value exceeds the preset proportion of the average value, the node is marked as a field intensity uneven point, in the field intensity uneven area, the position whose vibrating force field intensity value is lower than the minimum intensity threshold required for compaction is identified as a bubble easy-to-aggregate position. For the bubble easy-to-aggregate position, the risk probability value of defect formation is calculated according to the vibrating force field intensity value of the position, the water-cement ratio and the aggregate gradation parameters through the empirical formula, the position whose risk probability value exceeds the preset risk threshold is marked as a high-risk area, the vibrating force field intensity distribution data, the bubble easy-to-aggregate position coordinates, the high-risk area range and the compaction degree prediction value calculated according to the field intensity value are corresponded in space, and the associated distribution map of the vibrating force coverage effect and the deep layer compaction degree containing multiple information is generated.

[0128] The eight-neighborhood comparison method is preferably used to determine the field intensity uneven points. Eight neighboring points around each evaluation point form a local evaluation unit, and the average intensity of the nine points is calculated. If the deviation of the intensity of the center point from the average value exceeds 15% of the average value, it is considered that the field intensity distribution is uneven in this area. Such unevenness often indicates the presence of a dead zone. The minimum intensity threshold required for compaction is determined according to the concrete strength grade. C30 concrete requires a compaction intensity of not less than 300 pascals, and C50 concrete requires more than 450 pascals. The calculation of the risk probability takes into account the interaction of multiple factors. For every increase of 0.05 in the water-cement ratio, the base probability of forming a defect increases by 10%; poor aggregate gradation can increase the risk probability by 15% to 25%; and for every 100 pascals decrease in the intensity of the vibration force field, the risk probability increases by about 8%. Through the comprehensive calculation of these parameters, the risk of defects at each location can be quantitatively evaluated. The generated distribution map uses a color temperature map form, with red areas indicating high-risk areas that require special attention; yellow areas represent moderate risk; and green areas indicate good compaction results, with a predicted compaction degree of over 98%.

[0129] Further, changes in concrete density can affect the transmission of vibration waves. Normal concrete density is in the range of 2300 to 2500 kg / m3, and when encountering isolated areas or honeycomb defects, the local density may decrease to below 2000 kg / m3. This density mutation can cause a mismatch in acoustic impedance, resulting in reflection and scattering of vibration waves at the interface, with energy loss of up to 20% to 30%. By continuously monitoring the density values along the transmission path, these energy loss nodes can be accurately located, providing a basis for subsequent intensity field correction.

[0130] For example, the acoustic detector generates acoustic wave pulses of a specific frequency through a piezoelectric sensor, which propagate from the vibration excitation point of the vibration equipment to the interior of the concrete. The initial wave intensity is usually between 1000 and 2000 pascals, gradually decreasing with increasing propagation distance. When the intensity received by the detection point decreases to 500 to 1000 pascals, it reaches the half-decay point. The vertical diffusion radius is generally 1.2 to 1.5 meters, while the horizontal diffusion radius can reach 1.8 to 2.2 meters due to the layered structure of the concrete, forming an oblate ellipsoidal influence area.

[0131] Step S306, based on the statistical results, the intensity distribution of the vibration force intensity and the coverage rate are obtained.

[0132] According to the above method, the coverage difference of the vibration force at different depths, the attenuation of the vibration force in the deep layer, and the shape characteristics of the coverage body can be intuitively displayed.

[0133] Figure 4A flowchart of a method for determining an included angle based on a vibration force coverage rate is shown according to an embodiment of the present application;

[0134] As shown in the drawings, the method comprises the following steps: Figure 4

[0135] In step S401, according to the intensity distribution of the vibration force intensity, underset points are screened based on a minimum intensity threshold, and a region formed by connecting adjacent underset points and having an area exceeding a preset area threshold is identified as a vibration force transmission deficiency region, and boundary coordinates and a geometric center coordinate thereof are determined.

[0136] Specifically, the minimum intensity threshold is a minimum vibration force intensity required to meet a target density, and the minimum intensity threshold is determined according to a concrete strength grade. Based on the intensity distribution of the vibration force intensity, a spatial point having a vibration force intensity lower than the threshold is marked as an underset point, a region formed by connecting adjacent underset points and having an area exceeding a preset area threshold is identified as a vibration force transmission deficiency region, and a boundary coordinate set and a geometric center coordinate of each transmission deficiency region are recorded.

[0137] Preferably, the minimum intensity threshold required for concrete compaction is a key parameter for ensuring concrete quality. The threshold is directly related to the concrete strength grade, and the minimum vibration force intensity threshold corresponding to different concrete strength grades is obtained based on a large amount of engineering practice experience, i.e., the minimum vibration force intensity threshold of C30 grade concrete is usually set to 280 pascals, C40 grade requires 350 pascals, and C50 and above grade requires to reach 420 pascals or above. These values reflect the minimum vibration energy required for different strength grade concretes to reach a density of 95% or above. When the actual vibration force intensity is lower than these thresholds, the air bubbles in the concrete cannot be effectively discharged, and the voids between the aggregate and the cement paste cannot be fully filled, ultimately leading to reduced strength and durability.

[0138] In step S402, a finite element model with a vibration device position as a vibration source is constructed according to the boundary coordinates and the geometric center coordinate of the vibration force transmission deficiency region, and a vibration force transmission path in the vibration force transmission force field is determined.

[0139] ​Specifically, the construction of the finite element model requires accurate input of the material parameters of the concrete, including at least the current position of the vibrating device, the elastic modulus of the concrete, the Poisson's ratio, the density parameter, and the current vibrating device angle value. Among them, the elastic modulus reflects the deformation characteristics of the concrete under stress, and gradually increases with the age. The Poisson's ratio represents the ratio of transverse deformation to longitudinal deformation. The density of the concrete is determined according to the mix ratio. These parameters together determine the propagation characteristics of the vibrating force in the concrete. The greater the elastic modulus, the faster the vibration propagation speed; the greater the density, the more obvious the vibration attenuation. The position of the vibrating device is set as the vibration source, and the force field distribution formed by the propagation of the vibrating force from the vibration source to the surrounding is calculated based on the constructed finite element model. The coordinates and intensity value sequence of all points in the force field with a vibrating force intensity greater than zero are extracted as the vibrating force transmission path data.

[0140] Preferably, the elastic modulus of the fresh concrete is generally between 5000 and 15000 MPa; the Poisson's ratio of the concrete is usually within the range of 0.15 to 0.20; and the density of the ordinary concrete is between 2300 and 2500 kg / m3.

[0141] Further, the setting of the vibration source simulates the working state of the actual vibrating device. The vibrating device generates a periodic excitation force through high-frequency vibration, with a frequency usually between 150 and 250 Hz and an amplitude within the range of 0.5 to 2 mm. The finite element method discretizes the continuous concrete medium into a number of elements, with each element generally controlled within the size of 50 to 100 mm, ensuring both calculation accuracy and controlling the amount of calculation. By solving the dynamics equation of each element, the distribution of the vibrating force in the entire concrete domain is obtained, including the vibration displacement, velocity and acceleration values of each node.

[0142] Step S403, calculate the coverage rate based on the space region corresponding to the vibrating force transmission path and the vibrating force transmission insufficient region, and determine the first angle by gradually adjusting the vibrating device angle to make the coverage rate reach the preset coverage rate threshold.

[0143] Specifically, the vibrating force sufficient region is obtained by excluding the vibrating force transmission insufficient region from the space region corresponding to the vibrating force transmission path, and the ratio of the vibrating force sufficient region to the space region corresponding to the vibrating force transmission path is taken as the current coverage rate. When the current coverage rate is less than the preset coverage rate threshold, adjust the vibrating device angle value and recalculate the new transmission path and coverage rate. The angle is increased or decreased by a fixed angle value each time, and the coverage rate corresponding to each angle value is recorded. The angle value corresponding to the first time when the coverage rate reaches or exceeds the preset coverage rate threshold is found, and the angle value is determined as the first angle. If the coverage rates of all test angle values do not reach the preset coverage rate threshold, the angle value corresponding to the maximum coverage rate is selected as the first angle.

[0144] Preferably, the calculation method of the coverage rate adopts the volume ratio method, so as to accurately reflect the vibrating effect. Since the area where the vibrating force is insufficient to transmit is often irregular in three-dimensional shape, it is usually discretized into a cubic grid, and the volume of each grid is the same. The number of grids in the effective range of the vibrating force is counted, and the number of grids in the vibrating force sufficient area obtained by excluding the vibrating force insufficient area corresponding to the vibrating force transmission path is counted. The ratio of the two is the coverage rate. When the coverage rate reaches 85% or more, it can be considered that the area has been basically fully vibrated; and when the coverage rate reaches 95% or more, it indicates that the vibrating effect is excellent. The process of adjusting the included angle embodies the application of the optimization idea. The initial included angle is usually set to about 45 degrees, and the angle increment of each adjustment is controlled between 2 to 5 degrees. The specific adjustment method is determined according to actual needs, which is not limited here. By systematically testing the coverage rate under different included angles, an included angle-coverage rate curve is formed. Since the vibrating force of the vibrating device mainly acts on the surface layer when the included angle is too large, the deep layer is insufficiently covered, and when the included angle is too small, the vibrating device is difficult to insert, and the effective depth is actually reduced, resulting in the curve often showing a single peak characteristic, that is, there is an optimal included angle to maximize the coverage rate. The optimal included angle is determined as the first included angle.

[0145] According to the above method, by determining the vibrating force insufficient transmission area, the current vibrating effect is clearly reflected, especially the defects, avoiding bubbles, voids, etc. in the area below the vibrating force strength threshold, and ensuring the strength and durability of the concrete. By using the finite element model, the vibrating force transmission path data is accurately determined based on the concrete material parameters, and the overall influence range of the vibrating force is obtained. Through coverage rate calculation, the vibrating effect is accurately and intuitively reflected, and the included angle of the vibrating device is gradually adjusted accordingly to obtain the optimal angle that meets the depth and coverage rate requirements.

[0146] Figure 5 A flowchart of a vibrating time rationality judgment method based on a pair of uneven density areas according to an embodiment of the present application is shown;

[0147] As Figure 5 shown, the method comprises the following steps:

[0148] Step S501, acquiring concrete material characteristic data and the duration of each time of vibrating operation of the vibrating device at the first included angle.

[0149] Specifically, the concrete material characteristic data is acquired, the construction area is divided into thin layer area, middle layer area and thick layer area at a preset thickness interval, and the time length from starting vibrating to stopping vibrating of each vibrating operation of the vibrating device when the first included angle is set as the vibrating device included angle is recorded by a timer.

[0150] Preferably, the material property data includes water-cement ratio, aggregate gradation, slump value and initial setting time.

[0151] Further, the water-cement ratio reflects the mass ratio of water to cement in the mixture, usually between 0.4 and 0.6, the greater the water-cement ratio, the better the flowability of the concrete but the slower the strength development. Aggregate gradation describes the distribution ratio of stones of different particle sizes, and a good gradation forms a dense packing structure between aggregates. The slump value is obtained by the slump test, and the value between 80 and 180 mm represents the flow performance of the concrete. The initial setting time refers to the time from mixing with water to the beginning of losing plasticity, usually 2 to 4 hours, which determines the time window for effective vibration.

[0152] In step S502, the construction area is divided into different thickness regions based on a preset thickness interval, and the average vibration time corresponding to each thickness region is counted to form the actual vibration time of the thickness region.

[0153] Specifically, the construction area is divided into thin layer region, middle layer region and thick layer region with a preset thickness interval, and the average vibration time corresponding to each thickness region is counted to form the region vibration time data.

[0154] Preferably, the division of thickness regions is determined according to engineering practice experience. The thin layer region usually refers to the region with a thickness less than 200 mm, the vibration energy of which can easily penetrate, and the vibration time is relatively short; the middle layer region has a thickness between 200 and 400 mm, and requires moderate vibration time; the thick layer region exceeds 400 mm, and the vibration energy decays obviously, requiring longer action time. This classification method takes into account both the vibration efficiency and the operability of construction.

[0155] In step S503, based on the actual vibration time and the material property data, and the actual density of the thickness region is measured, a logarithmic relationship model of vibration time and density is constructed, and the thickness region identifier, the actual vibration time and the measured density are combined to form a density distribution data table.

[0156] Specifically, based on the actual vibration time data of each thickness region and the material property data, a logarithmic relationship model of vibration time and density is constructed, the density is equal to the initial density plus the density increment, the density increment is equal to the maximum reachable density increment multiplied by the natural logarithm of the vibration time divided by the natural logarithm of the reference time, wherein the reference time is in a proportional relationship with the water-cement ratio, the actual density of each thickness region is measured by a rebound meter, and the thickness region identifier, the average vibration time and the measured density are combined to form a density distribution data table.

[0157] Preferably, the logarithmic relationship model of vibration time and density is

[0158]

[0159] wherein p(t) is the density of the concrete at the time of vibration t; p0 is the initial density; Δρ max is the maximum achievable density increment; t is the vibration time; t ref is the reference time. The logarithmic relationship model describes the law that the density of the concrete increases logarithmically with the vibration time, and embodies the characteristics that the initial rapid growth is gradually slowed down. In the initial stage of vibration, the larger bubbles are quickly discharged, and the density increases rapidly; with the extension of the vibration time, the remaining small bubbles are difficult to discharge, and the density increases gradually, showing a typical logarithmic growth characteristic. The relationship between the reference time in the model and the water-cement ratio embodies the influence of material characteristics on the vibration effect. When the water-cement ratio is 0.5, the reference time is about 30 seconds, and when the water-cement ratio increases by 0.1, the reference time increases by about 10 seconds. The maximum achievable density increment Δρ max is usually set to 15% to 20% of the initial density.

[0160] Further, the principle of measuring the density by the rebound instrument is to calculate the internal density by measuring the hardness of the surface of the concrete. The higher the rebound value, the more dense the concrete. When measuring, multiple measuring points are selected in each thickness region, and the average value after removing the abnormal value is taken as the representative density of the region. The density data obtained by this method has high reliability and repeatability.

[0161] Step S504, according to the density distribution data table, the density difference between adjacent thickness regions is calculated, the density difference is judged by using the deviation threshold, the uneven density region pair is determined, and the identification and density difference of all uneven density region pairs are recorded.

[0162] Preferably, the determination of the deviation threshold allowed by the density uniformity is closely related to the pavement use requirement, and therefore is determined according to the pavement grade. High-grade pavements such as airport runways require that the density deviation proportion of adjacent regions does not exceed 2%, that is, the deviation threshold is 2%; the allowable deviation proportion of ordinary highway pavements can be relaxed to 3% to 4%. The setting of the deviation threshold considers factors such as structural safety, service life and economy. Further, the calculation is the ratio of the density difference between adjacent regions to the density of the smaller density region.

[0163] Specifically, if the density difference of adjacent regions exceeds the allowed deviation threshold, the adjacent region pair is marked as an uneven density region pair, and the identification and density difference of all uneven density region pairs are recorded.

[0164] Step S505, for the uneven density region pair, the theoretical vibration time required for each thickness region to reach the target density is inversely calculated according to the logarithmic relationship model of vibration time and density.

[0165] Step S506, according to the thickness of each region corresponding to the theoretical vibration time and the actual vibration time, the vibration time of the rationality index is calculated to judge the rationality of time distribution.

[0166] Specifically, the ratio of the actual vibration time and the theoretical vibration time is taken as the time distribution rationality index, if the rationality index of all regions is within the preset reasonable range, it is judged that the time distribution is reasonable, otherwise it is judged that the time distribution is unreasonable.

[0167] Preferably, the rationality index is within the range of 0.9 to 1.1 as the preset reasonable range. When the ratio of the actual vibration time and the theoretical time is within the range of 0.9 to 1.1, it indicates that the time distribution is reasonable; the ratio less than 0.9 indicates that the vibration is insufficient, which may lead to low density; the ratio greater than 1.1 indicates that the vibration is excessive, which not only wastes energy but also may cause aggregate segregation.

[0168] According to the above method, by completing the division of the thickness region, the vibration efficiency and the operability of construction are considered. The rebound meter is used to measure the density, which improves the accuracy of the density data and ensures the repeatability of the measurement. Through the logarithmic relationship model, the change of the density with the vibration time is scientifically reflected, which is convenient for subsequent adjustment of the operation time. Through the rationality judgment of the vibration time, it is accurately judged whether the vibration operation time needs to be adjusted, so that the vibration process is more reasonable and the vibration effect is better.

[0169] Figure 6 A flowchart of a vibration equipment travel speed adjustment method according to an embodiment of the application is shown;

[0170] As shown in Figure 6 , the method comprises the following steps:

[0171] Step S601, when it is determined that the vibration time distribution is unreasonable, the thickness value of the low density region and the travel speed of the current vibration equipment are extracted, the effective action diameter of the vibration equipment is obtained as the influence range, and the actual obtained unit area vibration time of the region is calculated.

[0172] Specifically, the unit area vibration time is equal to the effective action diameter divided by the travel speed.

[0173] Preferably, the effective action diameter is determined by field test. After the vibration equipment is inserted into the concrete, the vibration is started, the acceleration sensor is placed at different distances, when the measured vibration acceleration decreases to 10% of the excitation point acceleration, the distance is the effective action radius, and the diameter is usually between 0.6 to 1.2 meters. This parameter directly affects the calculation of unit area vibration time, the larger the effective action diameter, the longer the vibration time obtained by each point under the same travel speed.

[0174] Step S602, according to the difference between the actual density of the low-density area and the target density, the unit area vibration time increment required to reach the target density is found through the pre-established vibration time-density increment relationship curve, and the necessary unit area vibration time is obtained, and the adjusted travel speed and the first speed adjustment value are calculated.

[0175] Specifically, the actual unit area vibration time plus the required increment to obtain the necessary unit area vibration time, and the adjusted travel speed is calculated by dividing the effective action diameter by the necessary unit area vibration time.

[0176] Preferably, the establishment of the vibration time-density increment relationship curve is based on a large amount of experimental data. In the experiment, the parameters such as the power and frequency of the vibration equipment are kept constant, the vibration time is changed from 10 seconds to 120 seconds, and the corresponding density change is measured. The curve shows a typical logarithmic growth characteristic: the density increases rapidly within the first 30 seconds, and can reach 90% of the initial density; the growth slows down between 30 and 60 seconds; and the density grows extremely slowly after 60 seconds. This relationship reflects the physical process of bubble discharge in concrete: large bubbles are easily discharged, while small bubbles take longer time.

[0177] Step S603, based on the adjusted travel speed and the first included angle, the maximum allowable speed is calculated and the adjusted travel speed is verified.

[0178] Specifically, based on the adjusted travel speed and the current first included angle, the matching of the two is verified. When the included angle increases, the vibration depth increases but the horizontal coverage width decreases. The maximum allowable speed under the included angle is determined by the inverse relationship between the tangent value of the included angle and the effective coverage width. If the adjusted travel speed does not exceed the maximum allowable speed, the speed adjustment is feasible, and the difference between the adjusted travel speed and the current travel speed is calculated.

[0179] Preferably, the relationship between the first included angle and the effective coverage width reflects the spatial distribution characteristics of the vibration energy. When the vibration equipment is vertically inserted, the vibration energy is uniformly distributed in a circular shape, and the effective coverage width is the largest; as the included angle increases, the energy distribution becomes elliptical, and the horizontal coverage width decreases by the cosine value of the included angle. When the included angle is 30 degrees, the horizontal coverage width is about 86.6% of that when the vibration equipment is vertically inserted; when the included angle reaches 60 degrees, the coverage width is only 50% of that when the vibration equipment is vertically inserted. This geometric relationship determines the maximum allowable travel speed under different included angles.

[0180] Further, the verification process of the speed adjustment takes into account the actual constraints of the construction. The traveling speed of the vibrating equipment is subject to various limitations: too fast may result in insufficient vibration, and too slow may affect the construction progress. The speed is usually controlled within the range of 0.5-2 meters per minute. When the calculated adjusted speed exceeds this range, the angle setting needs to be re-evaluated or the number of vibration passes needs to be increased. The matching verification of the speed and the angle ensures the feasibility of the adjustment scheme. The correspondence between the density difference and the vibration time increment has a clear physical meaning. Assuming that the target density is 98% and the measured density is 94%, the difference is 4%. According to the vibration time-density increment curve, an increase of 4% in density requires an increase of about 20 seconds in the unit area vibration time. If the effective action diameter is 0.8 meters and the current speed is 1.2 meters / minute, the current unit area vibration time is 40 seconds. To achieve the target density, the vibration time needs to be 60 seconds, and the adjusted speed should be 0.8 meters / minute, with a speed adjustment value of -0.4 meters / minute. This speed adjustment method based on quantitative relationship can accurately control the vibration effect in different thickness regions and avoid the uncertainty caused by empirical adjustment.

[0181] Step S604, combining the region thickness, the first angle, and the first speed adjustment value corresponding to each thickness region to generate a set of speed adjustment schemes.

[0182] Specifically, the above calculation process is repeated for each thickness region to obtain the adjusted traveling speed and the first speed adjustment value for each thickness region. All first speed adjustment values are combined with the corresponding region thickness and the first angle to form a set of speed adjustment schemes containing multiple parameters.

[0183] According to the above method, the influence range of the vibrating equipment is accurately determined, and then the vibration time and the traveling speed are determined. For the adjustment of the traveling speed, the maximum allowed speed under the current angle is used for verification, and then the optimization of the traveling speed for each thickness region is scientifically completed, that is, the vibration effect is guaranteed and the construction efficiency is improved.

[0184] Figure 7 A flowchart of a vibration time optimization method based on deviation verification according to an embodiment of the present application is shown;

[0185] As shown in Figure 7 , the method comprises the following steps:

[0186] Step S701, calculating the current vibration time according to the adjusted traveling speed and the first speed adjustment value corresponding to each thickness region.

[0187] Specifically, the speed adjustment value matching the angle setting is obtained, and the real-time vibration time is calculated according to the adjusted traveling speed and the pre-measured construction length of each thickness region.

[0188] Preferably, the construction area is divided into several rectangular blocks according to the thickness of the concrete, and the length of each block is accurately measured by a laser range finder or a total station. The typical length of the thin layer area is 50 to 100 meters, the length of the middle layer area is 80 to 150 meters, and the length of the thick layer area is usually controlled within 60 to 120 meters due to the difficulty of construction. This differentiated division of areas not only considers the construction efficiency, but also takes into account the vibration characteristics of concrete of different thicknesses.

[0189] In step S702, the region identifier corresponding to each thickness region, the first speed adjustment value, the construction length, and the current vibration time are collected to generate a vibration time basic data set.

[0190] In step S703, the total time deviation is calculated based on the sum of the current vibration times of all thickness regions and the standard operation time.

[0191] Specifically, based on the first speed adjustment value and the current vibration time in the vibration time basic data set, the speed-time change rate relationship is obtained by least squares fitting, the change rate represents the vibration time change amount corresponding to the change of one unit of speed, the total operation time specified in the construction contract is taken as the standard operation time, and the difference between the sum of the current vibration times of all regions and the standard operation time is taken as the total time deviation.

[0192] Preferably, the application of least squares method in the speed-time change rate fitting can effectively eliminate the influence of measurement error. By collecting multiple sets of first speed adjustment value and corresponding current vibration time change data, a linear regression model is established. When the speed decreases from 1.2 meters / minute to 0.8 meters / minute, the vibration time of the construction area with the same length of 100 meters increases from 83 minutes to 125 minutes, and the change rate is about 105 minutes per meter / minute of speed change. This change rate reflects the sensitivity of speed adjustment to the total construction period.

[0193] Preferably, the determination of the standard operation time involves the comprehensive consideration of many factors. The construction contract usually specifies the daily operation time limit for each working surface. Considering factors such as equipment maintenance, personnel rest, and material supply, the effective operation time is generally 70% to 80% of the contract time limit. For a 1000 square meter pavement construction, if the contract specifies 8 hours to complete, the standard operation time is about 5.6 to 6.4 hours. This time constraint directly affects the optimization space of the vibration parameters.

[0194] In step S704, if the absolute value of the total time deviation exceeds the preset time difference threshold, the time allocation priority is determined according to the thickness and density requirements of each region, the standard operation time is redistributed to each thickness region according to the weight proportion corresponding to the priority, and the target vibration time of each thickness region is determined.

[0195] Preferably, the determination of the time allocation priority is based on the positive correlation between the concrete thickness and the compaction difficulty. The vibration energy required to achieve the same compaction degree increases by about 30% for every 100 mm increase in thickness. Therefore, when allocating time, the weight coefficient of the thick layer area is set to 1.5 to 1.8, the medium layer area is 1.2 to 1.4, and the thin layer area is 1.0. Through this weighted allocation method, it is ensured that the thick layer area obtains sufficient vibration time, avoiding deep compaction defects caused by insufficient time. The calculation of the total time deviation reveals the gap between the actual operation and the plan. Assuming that the real-time vibration time of the three areas is 120 minutes, 150 minutes and 180 minutes respectively, a total of 450 minutes, and the standard operation time is 400 minutes, the total time deviation is 50 minutes, which exceeds the deviation rate of 12.5%. In this case, the time must be re-allocated, and the total time is compressed by appropriately increasing the travel speed of each area. The process of reverse calculation of the optimized travel speed embodies the idea of parameter closed-loop optimization. Taking the thick layer area as an example, if the target vibration time is compressed from 180 minutes to 160 minutes, and the construction length is 100 meters, the optimized travel speed should be 0.625 meters / minute. This speed optimization method based on time constraints not only ensures the construction progress, but also maintains the vibration quality of each area through reasonable time allocation, achieving the balance between efficiency and quality.

[0196] Step S705, based on the target vibration time of each thickness area, the corresponding optimized travel speed is calculated, and the vibration time scheme is determined.

[0197] Preferably, according to the target vibration time and the construction length of each area, the optimized travel speed is calculated reversely, and the vibration time scheme containing all construction parameters is formed by integrating the area identifier, thickness value, angle parameter, optimized travel speed and target vibration time.

[0198] According to the above method, the vibration time of the foundation is determined by using the relationship between speed and time. After a scientific judgment of the vibration time based on the standard operation time, the vibration time is allocated based on different thickness areas, further improving the rationality of the vibration process. According to the thickness of different areas, the vibration time suitable for the situation is scientifically arranged, which not only meets the vibration quality requirements, but also reduces time waste and improves vibration efficiency.

[0199] Figure 8 A flowchart of a vibration scheme determination method based on compaction degree monitoring according to an embodiment of the present application is shown;

[0200] As shown in Figure 8 , the method comprises the following steps:

[0201] Step S801, according to the target vibration time and the first speed adjustment value of each thickness region, the first included angle adjustment value corresponding to the first included angle adjustment value is found by using the pre-established speed-included angle relationship table, the third included angle corresponding to each thickness region is determined in combination with the first included angle, and the included angle parameter configuration data is generated.

[0202] Specifically, the speed-included angle relationship table is obtained by experimental calibration, and reflects the included angle value required to achieve the same vibration effect at different speeds.

[0203] Preferably, the establishment of the speed-included angle relationship table is the core basis of the vibration parameter optimization, and the corresponding relationship is obtained by systematic experimental calibration. In the experimental process, the vibration power is kept constant, and the vibration effects under different speed and included angle combinations are tested on the same concrete test block. When the travel speed is 0.8 meters / minute, the included angle of 45 degrees can achieve 95% of the compactness; and when the speed is increased to 1.2 meters / minute, the included angle needs to be increased to 55 degrees to maintain the same compaction effect. This nonlinear relationship reflects the complex mechanism of vibration energy transmission.

[0204] Step S802, based on the included angle parameter configuration data, the control parameters for the vibration equipment are generated, and the control parameters are transmitted to the controller of the vibration equipment to control the vibration equipment to perform the vibration operation.

[0205] Preferably, the control parameters at least include the included angle setting value, the corresponding speed value, the preset time interval and the region switching opportunity. The control parameters are converted into digital signals recognizable by the equipment and transmitted to the vibration equipment controller.

[0206] Step S803, in the process of performing the vibration operation, the compactness of each second measuring point is collected according to the preset time interval, and the compactness monitoring data is generated; the compactness monitoring data is compared with the standard compactness, the compactness difference value is calculated, and it is judged whether the compactness difference value is within the reasonable deviation range.

[0207] Specifically, the compactness values of each second measuring point are collected from the rebound array arranged on the construction surface according to the preset sampling time interval, the collection time and the corresponding position coordinates are recorded, and the compactness monitoring data with time stamp is formed. For the compactness monitoring data, the measured compactness of each second measuring point is extracted and compared with the standard compactness corresponding to the concrete strength grade of the region.

[0208] Preferably, the arrangement of the rebound hammer array follows the principle of gridding, ensuring the integrity of the monitoring coverage. A typical arrangement scheme is to set up a second measuring point on the construction surface at an interval of 5 meters x 5 meters, and each second measuring point is equipped with a digital rebound hammer. These rebound hammers are connected to the central data collector through a wireless communication module, realizing synchronous collection. There is a clear correspondence between the rebound value and the concrete density, and for every 5 units increase in the rebound value, the corresponding density improves by about 2%. The sampling time interval is set to 30 seconds, which can capture the dynamic changes in density without generating too much redundant data.

[0209] Preferably, the determination of the standard density value is based on the concrete strength grade and the requirements of the use environment. The standard density of C30 grade concrete is 96%, C40 grade requires 97%, and C50 and above grade requires 98% or more. The reasonable deviation range is usually set to ±1.5%, which takes into account measurement errors and material heterogeneity. In actual operation, the reasonable deviation range usually does not include the endpoint value, for example, when the measured value is 94.5% and the standard requires 96%, the difference of 1.5% reaches the boundary of the allowed deviation, at which point the parameter adjustment program needs to be started.

[0210] Specifically, if the density difference of all second measuring points is within the reasonable deviation range, step S804 is executed; if there is a second measuring point whose density difference is not within the reasonable deviation range, step S805 is executed.

[0211] Step S804, if the density difference of all second measuring points is within the reasonable deviation range, the final execution scheme is determined directly based on the current control parameters.

[0212] Step S805, if the density difference is not within the reasonable deviation range, the second speed adjustment value and the second angle adjustment value are determined according to the preset adjustment rule, the control parameters are adjusted, and the current density difference is judged again based on the adjusted control parameters and the corresponding density monitoring data, until the density difference of all second measuring points is within the reasonable deviation range, and the current control parameters are determined as the final execution scheme.

[0213] Preferably, the density monitoring and parameter adjustment are continuously performed, the angle value, speed value and corresponding density improvement after each adjustment are recorded, and when the monitoring results of a continuous preset number of times show that all measuring point densities meet the standard requirements, the last set of stable running vibration parameters are extracted, the regional division information, thickness parameters, angle values and speed values are integrated, and the final execution scheme is determined.

[0214] Preferably, the adjustment rules are formulated based on statistical analysis of a large amount of engineering data. For every 1% decrease in compaction, the angle needs to be increased by 2 to 3 degrees or the speed reduced by 0.1 to 0.15 meters per minute. This adjustment follows the principle of prioritizing angle adjustment, followed by speed adjustment, because angle adjustment has a relatively small impact on construction progress. The adjustment signal uses a standard industrial communication protocol to ensure the reliability and real-time nature of command transmission. After receiving the adjustment signal, the vibratory compaction equipment controller precisely adjusts the angle of the vibratory compaction equipment through the servo motor and regulates the travel speed through the frequency converter. The continuous monitoring judgment mechanism reflects the strictness of quality control. Five consecutive monitoring cycles are set as a judgment cycle. Only when the compaction of all measuring points in these five monitoring cycles meets the standard requirements is the vibration parameter considered to have reached a stable state. This mechanism can effectively avoid misjudgments caused by accidental factors. In practical applications, it usually takes two to three judgment cycles to obtain a stable parameter combination.

[0215] Based on the above method, the final implementation plan is formed by dynamic optimization based on density monitoring and judgment. The plan not only includes the optimal vibration parameters for each area, but also records the historical trajectory of parameter adjustment, providing valuable experience data for similar projects in the future. Through this closed-loop control method, the overall density uniformity of ultra-thick concrete pavement is significantly improved, effectively reducing quality defects caused by improper vibration.

[0216] Figure 9 A structural block diagram of a vibration angle control system for a concrete pouring process according to an embodiment of the present invention is shown.

[0217] like Figure 9 As shown, the system includes: a data acquisition module 901, an adjustment range determination module 902, a vibration force distribution analysis module 903, a time allocation judgment module 904, a travel speed adjustment module 905, a time allocation optimization module 906, and a real-time monitoring and execution module 907; among which,

[0218] The data acquisition module 901 is used to acquire the layer thickness data of ultra-thick concrete pavement and the initial angle of the vibrating equipment, determine different thickness regions based on the layer thickness data, and determine the preliminary adjustment range of the vibrating equipment angle based on the thickness changes in different thickness regions.

[0219] Specifically, the data acquisition module 901 is further used for,

[0220] Multiple first measuring points are set up using a sensor array to collect layer thickness data of ultra-thick concrete pavement and obtain the initial included angle of the vibrating equipment.

[0221] The thickness value of each first measuring point relative to the reference surface is obtained to determine the real-time thickness data of the area corresponding to each first measuring point, a spatial coordinate system is established to determine the spatial position of each first measuring point, and a regional thickness distribution data set is generated;

[0222] Based on the regional thickness distribution data set, the thickness difference and the interval between adjacent first measuring points are calculated, and the local change rate of the thickness between adjacent first measuring points is further determined;

[0223] According to the local change rate and the preset change rate threshold, the thickness abnormal area is determined;

[0224] A linear relationship between the local change rate of the thickness abnormal area and the angle adjustment amount is established, and the corresponding angle adjustment amount is determined based on the local change rate of the thickness abnormal area;

[0225] According to the angle adjustment amount of each thickness abnormal area, the target angle value of the corresponding thickness abnormal area is calculated, and the target angle value of the remaining all thickness normal areas is obtained, and the preliminary adjustment range of the vibration device angle is determined.

[0226] The adjustment range determination module 902 is configured to analyze the vibration intensity of each depth position of the insertion trajectory under the inclination degree change of the insertion trajectory according to the preliminary adjustment range of the vibration device angle, the insertion depth, the incident angle and the insertion trajectory of the vibration device, and obtain the intensity distribution and coverage rate of the vibration intensity.

[0227] Specifically, the adjustment range determination module 902 is further configured to,

[0228] According to the preliminary adjustment range of the vibration device angle, the insertion depth data of the vibration rod under different angles is obtained, and the spatial position sequence of the vibration rod from the concrete surface to the maximum insertion depth is recorded, and the insertion trajectory of the vibration device each time is generated;

[0229] Based on the insertion trajectory, the second angle between each segment of the insertion trajectory and the vertical direction is calculated, and the average value of the second angles corresponding to each segment of the insertion trajectory is taken as the trajectory inclination degree value;

[0230] Based on the trajectory inclination degree value and the vibration parameter of the vibration device, the vibration intensity value of each depth position on the insertion trajectory is calculated, and a vibration intensity distribution data set is generated;

[0231] According to the vibration intensity value corresponding to each depth position, the influence radius corresponding to each depth position is determined, the vibration force action area of each depth position is generated based on each depth position, and the three-dimensional space coverage range of the vibration force is generated by superimposing all action areas;

[0232] According to the three-dimensional space coverage, the sampling points are set according to the preset grid spacing; it is judged whether each sampling point is located in the three-dimensional space coverage, and the corresponding vibration intensity value is obtained; the number and spatial position of the sampling points with vibration intensity values greater than the preset vibration intensity threshold are counted;

[0233] Based on the statistical result, the strength distribution and the coverage rate of the vibration intensity are obtained.

[0234] Preferably, the adjustment range determination module 902 is further used for,

[0235] The negative exponential decay function model is used to calculate the vibration intensity value at each depth position on the insertion track; wherein the negative exponential decay function model is

[0236] I = I0·e -αL

[0237] Wherein, I is the decayed vibration intensity value; I0 is the initial vibration intensity value generated by the vibration device; e is the base of natural logarithm; a is the attenuation coefficient; L is the path length of vibration force propagation.

[0238] The vibration force distribution analysis module 903 is used for identifying the vibration force transmission insufficient area according to the strength distribution of the vibration intensity, obtaining the vibration force transmission path by simulating the vibration force field distribution, adjusting the vibration device angle of the vibration force transmission insufficient area according to the simulated vibration force transmission path, until the coverage rate reaches the preset coverage rate threshold, and determining the first angle.

[0239] Specifically, the vibration force distribution analysis module 903 is further used for,

[0240] According to the strength distribution of the vibration intensity, the under-vibration points are screened based on the minimum intensity threshold, the area formed by connecting adjacent under-vibration points and having an area exceeding the preset area threshold is identified as the vibration force transmission insufficient area, and the boundary coordinates and geometric center coordinates thereof are determined;

[0241] According to the boundary coordinates and the geometric center coordinates of the vibration force transmission insufficient area, a finite element model with the vibration device position as the vibration source is constructed, and the vibration force transmission path in the vibration force transmission field is determined;

[0242] Based on the spatial range corresponding to the vibration force transmission path and the vibration force transmission insufficient area, the coverage rate is calculated, the coverage rate is adjusted step by step to reach the preset coverage rate threshold, and the first angle is determined.

[0243] The time allocation judgment module 904 is configured to acquire concrete material characteristic data, acquire force action time of the vibrating device in different thickness regions when the first included angle is set, analyze the relationship between the force action time and the concrete density distribution, determine a pair of uneven density regions, and calculate a rationality index of the vibrating time to make a rationality judgment on the time allocation.

[0244] Specifically, the time allocation judgment module 904 is further configured to:

[0245] acquire the concrete material characteristic data and the duration of each time of the vibrating operation of the vibrating device performed at the first included angle;

[0246] divide the construction region into different thickness regions based on a preset thickness interval, count the average vibrating time corresponding to each thickness region, and form the actual vibrating time of the thickness region;

[0247] based on the actual vibrating time and the material characteristic data, measure the actual density of the thickness region, construct a logarithmic relationship model of the vibrating time and the density, and combine the thickness region identifier, the actual vibrating time and the measured density to form a density distribution data table;

[0248] calculate the density difference between adjacent thickness regions according to the density distribution data table, judge the density difference by using a deviation threshold, determine a pair of uneven density regions, and record the identifier and the density difference of all the pairs of uneven regions;

[0249] for the pair of uneven density regions, inversely calculate the theoretical vibrating time required for each thickness region to reach the target density according to the logarithmic relationship model of the vibrating time and the density;

[0250] calculate the rationality index of the vibrating time according to the theoretical vibrating time and the actual vibrating time of each thickness region to make a rationality judgment on the time allocation.

[0251] The traveling speed adjustment module 905 is configured to, when it is determined that the vibrating time allocation is unreasonable, adjust the traveling speed of the vibrating device according to the target density and the first included angle of the corresponding region to obtain a first speed adjustment value matched with the first included angle.

[0252] Specifically, the traveling speed adjustment module 905 is further configured to:

[0253] when it is determined that the vibrating time allocation is unreasonable, extract the thickness value of the region with low density and the traveling speed of the current vibrating device, acquire the effective action diameter of the vibrating device as the influence range, and calculate the actual unit area vibrating time obtained by the region;

[0254] According to the difference between the actual density and the target density of the low-density area, the required unit area vibration time increment to reach the target density is found through the pre-established relationship curve between vibration time and density increment, the necessary unit area vibration time is obtained, the adjusted travel speed and the first speed adjustment value are calculated;

[0255] The maximum allowable speed is calculated based on the adjusted travel speed and the first included angle, and the adjusted travel speed is verified;

[0256] The region thickness, the first included angle and the first speed adjustment value corresponding to each thickness area are combined to generate a set of speed adjustment schemes.

[0257] The time allocation optimization module 906 is configured to calculate the corresponding current vibration time based on the first speed adjustment value matched with the first included angle, determine the time deviation between the current vibration time and the standard operation time, determine whether to re-perform time allocation based on the preset time difference threshold, and determine the vibration time scheme.

[0258] Specifically, the time allocation optimization module 906 is further configured to,

[0259] According to the adjusted travel speed and the first speed adjustment value corresponding to each thickness area, the current vibration time is calculated.

[0260] The region identifier, the first speed adjustment value, the construction length and the current vibration time corresponding to each thickness area are combined to generate a set of vibration time basic data.

[0261] Based on the sum of the current vibration times of all thickness areas and the standard operation time, the total time deviation is calculated.

[0262] If the absolute value of the total time deviation exceeds the preset time difference threshold, the time allocation priority is determined according to the thickness and the density requirement of each area, the standard operation time is redistributed to each thickness area according to the weight proportion corresponding to the priority, and the target vibration time of each thickness area is determined.

[0263] Based on the target vibration time of each thickness area, the corresponding optimized travel speed is calculated, and the vibration time scheme is determined.

[0264] The real-time monitoring and execution module 907 is configured to generate control parameters for the vibrating equipment according to the vibration time scheme and the first speed adjustment value, to control the vibrating equipment to perform the vibrating operation, to monitor and judge the density, and to determine the final execution scheme when the judgment result meets the density requirement.

[0265] Specifically, the real-time monitoring and execution module 907 is further configured to,

[0266] According to the target vibration time and the first speed adjustment value of each thickness area, a first included angle adjustment value corresponding to the first speed adjustment value is found by using a pre-established speed-included angle relationship table, a third included angle corresponding to each thickness area is determined in combination with the first included angle, and included angle parameter configuration data is generated;

[0267] Based on the included angle parameter configuration data, control parameters for the vibration equipment are generated, and the control parameters are transmitted to a controller of the vibration equipment to control the vibration equipment to perform a vibration operation;

[0268] In the process of performing the vibration operation, the compactness of each second measuring point is collected at a preset time interval to generate compactness monitoring data; the compactness monitoring data is compared with standard compactness, a compactness difference value is calculated, and it is judged whether the compactness difference value is within a reasonable deviation range;

[0269] If the compactness difference values of all the second measuring points are within the reasonable deviation range, a final execution scheme is determined directly based on the current control parameters;

[0270] If the compactness difference values are not within the reasonable deviation range, a second speed adjustment value and a second included angle adjustment value are determined according to a preset adjustment rule, the control parameters are adjusted, and the corresponding compactness monitoring data is obtained again based on the adjusted control parameters to judge the current compactness difference value, until the compactness difference values of all the second measuring points are within the reasonable deviation range, and the current control parameters are determined as the final execution scheme.

[0271] The concrete pouring process vibration angle control system according to the embodiment comprises a data acquisition module, an adjustment range determination module, a vibration force distribution analysis module, a time distribution judgment module, a travel speed adjustment module, a time distribution optimization module and a real-time monitoring and execution module. The data acquisition module is used to acquire layer thickness data of an ultra-thick concrete pavement and an initial included angle of a vibrating device, determine different thickness regions according to the layer thickness data, and determine a preliminary adjustment range of the included angle of the vibrating device based on thickness changes of the different thickness regions. The adjustment range determination module is used to analyze vibration force intensity at each depth position of the insertion track under the inclination degree change of the insertion track, obtain intensity distribution and coverage of the vibration force intensity, and determine a first included angle according to the preliminary adjustment range of the included angle of the vibrating device, the insertion depth of the vibrating device, the incidence angle and the insertion track of the vibrating device. The vibration force distribution analysis module is used to identify a vibration force transmission insufficient region according to the intensity distribution of the vibration force intensity, obtain a vibration force transmission path through simulation of vibration force field distribution, adjust the included angle of the vibrating device in the vibration force transmission insufficient region according to the simulated vibration force transmission path, and determine the first included angle until the coverage reaches a preset coverage threshold. The time distribution judgment module is used to acquire concrete material characteristic data, acquire force action time of the vibrating device in different thickness regions when the vibrating device is set at the first included angle, analyze the relationship between the force action time and the concrete density distribution, determine a pair of uneven density regions, calculate a rationality index of the vibration time, and make a rationality judgment of time distribution. The travel speed adjustment module is used to adjust the travel speed of the vibrating device according to the target density and the first included angle of the corresponding region when it is determined that the vibration time distribution is not reasonable, and obtain a first speed adjustment value matched with the first included angle. The time distribution optimization module is used to calculate corresponding current vibration time based on the first speed adjustment value matched with the first included angle, determine a time deviation between the current vibration time and a standard operation time, determine whether to perform time distribution again based on a preset time difference threshold, and determine a vibration time scheme. The real-time monitoring and execution module is used to generate control parameters for the vibrating device according to the vibration time scheme and the first speed adjustment value, control the vibrating device to perform vibration operation, perform density monitoring and judgment, and determine a final execution scheme when the judgment result meets the density requirement.The concrete pouring process vibration angle control system provided in this embodiment, after acquiring the layer thickness data of ultra-thick concrete pavement and the initial angle of the vibrating equipment, determines the initial adjustment range of the angle based on the thickness changes in different areas. It identifies the target angle value for areas with abnormal thickness changes, finds the maximum and minimum values, and thus determines the required angle adjustment range for the vibrating equipment throughout the construction area. This method ensures appropriate vibration treatment in each area while avoiding frequent large-amplitude angle adjustments, improving construction efficiency and overall concrete quality. Through the insertion trajectory and vibration parameters of the vibrating equipment, the vibration force intensity at each position along the insertion trajectory is accurately obtained. The three-dimensional spatial coverage range of the vibration force is obtained by determining the radius of influence, and the intensity distribution of the vibration force is determined based on a preset threshold, intuitively and accurately reflecting the coverage of the vibration force. The transmission path of areas with insufficient vibration force is obtained through simulation, and the angle of the vibrating equipment is adjusted based on the coverage requirements. This avoids situations where the vibration force mainly acts on the surface layer when the angle is too small, resulting in insufficient coverage of deeper layers, and where the vibrating equipment is difficult to insert when the angle is too large. This addresses the issue of reduced effective compaction depth. By analyzing the force application time of the vibrating equipment in different thickness areas, it identifies regions with uneven compaction and determines the rationality of vibration time allocation to avoid low compaction, thus improving project safety and preventing energy waste and aggregate segregation caused by excessive vibration. Furthermore, by adjusting the travel speed to meet the maximum allowable speed when time allocation is unreasonable, it ensures sufficient vibration while balancing construction speed. The current vibration time is calculated, and time deviation is used to determine whether time allocation needs adjustment, ensuring sufficient vibration time in thick layers and avoiding deep compaction defects due to insufficient time, further achieving a balance between efficiency and quality. By monitoring and judging compaction values ​​and utilizing the current parameter operation, more scientific control parameters are obtained through further optimization. Recording the historical trajectory of parameter adjustments provides valuable experience data for similar subsequent projects. Through this closed-loop control method, the overall uniformity of compaction in ultra-thick concrete pavements is significantly improved, effectively reducing quality defects caused by improper vibration.

[0272] The present invention also provides a non-volatile computer storage medium storing at least one executable instruction that can execute a method for controlling the vibration angle of a concrete pouring process in any of the above method embodiments.

[0273] Figure 10 The diagram illustrates the structure of a computing device according to an embodiment of the present invention. The specific embodiments of the present invention do not limit the specific implementation of the computing device.

[0274] like Figure 10As shown, the computing device can include a processor 1002, a communications interface 1004, a memory 1006, and a communications bus 1008.

[0275] Wherein:

[0276] The processor 1002, the communications interface 1004, and the memory 1006 communicate with each other through the communications bus 1008.

[0277] The communications interface 1004 is configured to communicate with network elements such as clients or other servers.

[0278] The processor 1002 is configured to execute the program 1010, and specifically can execute the related steps in the above-described concrete pouring process vibration angle control method embodiments.

[0279] Specifically, the program 1010 can include program code, which includes computer operation instructions.

[0280] The processor 1002 can be a central processing unit CPU, or an application specific integrated circuit ASIC, or one or more integrated circuits configured to implement embodiments of the present application. The one or more processors included in the computing device can be the same type of processor, such as one or more CPUs, or different types of processors, such as one or more CPUs and one or more ASICs.

[0281] The memory 1006 is configured to store the program 1010. The memory 1006 can include a high-speed RAM memory, and can also include a non-volatile memory, such as at least one disk memory.

[0282] The program 1010 can be specifically used to cause the processor 1002 to execute a concrete pouring process vibration angle control method in any of the above-described method embodiments. The specific implementation of each step in the program 1010 can refer to the corresponding description in the corresponding steps and units of the above-described concrete pouring process vibration angle control method embodiments, and will not be described here. Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the above-described devices and modules can refer to the corresponding process description in the foregoing method embodiments, and will not be described here.

[0283] The algorithms and displays presented herein are not inherently related to any particular computer, virtual system, or other apparatus. Various general purpose systems can be used with programs in accordance with the teachings herein, or it can prove convenient to construct more specialized apparatus to perform the required method steps. The required structure for a variety of these systems will be apparent from the description above. In addition, the present application is not intended to be limited to any particular programming language. It will be appreciated that there are many programming languages that can be used to implement the teachings herein, and any specific language can be chosen for use in this application.

[0284] In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the application can be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been described in detail in order to not obscure the understanding of this description.

[0285] Similarly, it is to be understood that the above description is intended to be illustrative and not restrictive. Many embodiments of the application will be apparent to those of skill in the art upon reviewing the above description, and it is therefore contemplated that the claims should be construed in light of the full scope of the disclosure and the claims, and that the scope of the claims should not be limited to the particular examples disclosed. In addition, the described embodiments are to be considered merely exemplary and are not intended to limit the scope of the application to the precise details of these examples. Various modifications and changes can be made thereto by those of ordinary skill in the art, which modifications and changes are to be considered as falling within the scope of the application as set forth in the claims. Accordingly, no limitation is placed on the scope of the application by the details of the description.

[0286] Those skilled in the art will appreciate that the modules in the apparatuses in the embodiments can be adapted and placed in one or more apparatuses other than the embodiments. The modules or units or components in the embodiments can be combined into one module or unit or component, and further can be divided into more sub-modules or sub-units or sub-components. Any combination of all the features disclosed in the specification (including the accompanying claims, abstract and drawings), and any method or apparatus otherwise disclosed in the specification, can be made, except that at least some of such features and / or processes or units are mutually exclusive. Unless explicitly stated otherwise, each feature disclosed in the specification (including the accompanying claims, abstract and drawings) can be replaced by alternative features that serve the same, equivalent or similar purpose.

[0287] Furthermore, those skilled in the art will recognize that, while certain embodiments described herein include certain features that are not included in other embodiments, combinations of those features from different embodiments are also meant to be within the scope of the application and form different embodiments. For example, in the claims, any of the claimed embodiments can be used in any combination.

[0288] Various component embodiments of the application can be implemented in hardware, or as software modules running in one or more processors, or in combinations thereof. Skilled persons will appreciate that a microprocessor or digital signal processor (DSP) can be used in practice to implement some or all of the functionality of some or all of the components in accordance with embodiments of the application. The application can also be implemented as a program of instructions for performing part or all of the methods described herein, e.g. as a computer program and a computer program product. Such program of the application can be stored on a computer readable medium, or can be in the form of one or more signals. Such signals can be downloaded from an Internet website, or provided on a carrier signal, or in any other form.

[0289] Obviously, numerous modifications and variations of the present application are possible in light of the above teachings. It is therefore to be understood that within the scope of the claims and their equivalents, the application can be practiced otherwise than as specifically described herein.

Claims

1. A method for controlling the vibration angle during concrete pouring, characterized in that, include: Collect layer thickness data of ultra-thick concrete pavement and the initial angle of the vibrating equipment. Based on the layer thickness data, determine different thickness areas, and determine the initial adjustment range of the vibrating equipment angle based on the thickness changes in different thickness areas. Based on the initial adjustment range of the included angle of the vibrating equipment, the insertion depth of the vibrating equipment, the incident angle, and the insertion trajectory of the vibrating equipment, the vibration force intensity at each depth position of the insertion trajectory under the change of the inclination degree of the insertion trajectory is analyzed to obtain the intensity distribution and coverage of the vibration force intensity. Based on the intensity distribution of the vibration force, identify areas with insufficient vibration force transmission. Simulate the vibration force field distribution to obtain the vibration force transmission path. Adjust the angle of the vibration equipment in areas with insufficient vibration force transmission according to the simulated vibration force transmission path until the coverage reaches the preset coverage threshold, and determine the first angle. Acquire concrete material property data, obtain the force application time of the vibrating equipment in different thickness areas when the first included angle is set, analyze the relationship between the force application time and the concrete density distribution, identify the areas with uneven density, calculate the rationality index of the vibration time, and judge the rationality of the time allocation. When it is determined that the vibration time allocation is unreasonable, the travel speed of the vibration equipment is adjusted according to the target density and the first included angle of the corresponding area to obtain a first speed adjustment value that matches the first included angle. Based on the first speed adjustment value matched with the first included angle, the corresponding current vibration time is calculated, the time deviation between the current vibration time and the standard operation time is determined, and based on the preset time difference threshold, it is determined whether to reallocate the time and determine the vibration time scheme. Based on the vibration time plan and the first speed adjustment value, control parameters for the vibration equipment are generated to control the vibration equipment to perform vibration operation, monitor and judge the compaction degree, and determine the final execution plan when the judgment result meets the compaction requirements.

2. The method for controlling the vibration angle during concrete pouring according to claim 1, characterized in that, The process of collecting layer thickness data of ultra-thick concrete pavement and the initial angle of the vibrating equipment, determining different thickness regions based on the layer thickness data, and determining the initial adjustment range of the vibrating equipment angle based on the thickness variations in different thickness regions, further includes: Multiple first measuring points are set up using a sensor array to collect layer thickness data of ultra-thick concrete pavement and obtain the initial included angle of the vibrating equipment. Obtain the thickness value of each first measuring point relative to the reference plane to determine the real-time thickness data of the region corresponding to each first measuring point, establish a spatial coordinate system to determine the spatial position of each first measuring point, and generate a region thickness distribution dataset. Based on the regional thickness distribution dataset, the thickness difference and spacing between adjacent first measuring points are calculated, and the local rate of change of thickness between adjacent first measuring points is further determined. Based on the local rate of change and a preset rate of change threshold, areas of abnormal thickness are identified; Establish a linear relationship between the local rate of change of thickness anomaly regions and the angle adjustment amount, and determine the corresponding angle adjustment amount based on the local rate of change of thickness anomaly regions. Calculate the target angle value of the corresponding thickness abnormal area based on the angle adjustment amount of each thickness abnormal area, and obtain the target angle values ​​of all other thickness normal areas to determine the preliminary adjustment range of the vibratory equipment angle.

3. The method for controlling the vibration angle during concrete pouring according to claim 1, characterized in that, The step of analyzing the vibration force intensity at each depth position of the insertion trajectory under varying inclination based on the initial adjustment range of the included angle of the vibrating device, the insertion depth of the vibrating device, the incident angle, and the insertion trajectory of the vibrating device, to obtain the intensity distribution and coverage of the vibration force intensity, further includes: Based on the initial adjustment range of the included angle of the vibrating equipment, the insertion depth data of the vibrating equipment at different included angles are obtained, and the spatial position sequence of the vibrating equipment from the concrete surface to the maximum insertion depth is recorded to generate the insertion trajectory of the vibrating equipment each time it is inserted. The second angle between each segment of the insertion trajectory and the vertical direction is calculated based on the insertion trajectory, and the average value of the second angles corresponding to each segment of the insertion trajectory is taken as the trajectory inclination value. Based on the trajectory inclination value and the vibration parameters of the vibrating equipment, the vibration force intensity value at each depth position on the insertion trajectory is calculated, and a vibration force intensity distribution dataset is generated. Based on the vibration force intensity value corresponding to each depth position, the influence radius corresponding to each depth position is determined. The vibration force action area is generated based on each depth position, and all action areas are superimposed to generate the three-dimensional spatial coverage range of the vibration force. Based on the coverage area of ​​the three-dimensional space, sampling points are set according to the preset grid spacing; it is determined whether each sampling point is located within the coverage area of ​​the three-dimensional space, and its corresponding vibration force intensity value is obtained; the number and spatial location of sampling points with vibration force intensity values ​​greater than the preset vibration force threshold are counted. Based on the statistical results, the intensity distribution and coverage of the vibration force were obtained.

4. The method for controlling the vibration angle during concrete pouring according to claim 3, characterized in that, The calculation of the vibration force intensity value at each depth position on the insertion trajectory based on the trajectory inclination value and the vibration parameters of the vibrating equipment, generating a vibration force intensity distribution dataset, further includes: The vibratory force intensity at each depth along the insertion trajectory is calculated using a negative exponential decay function model; where the negative exponential decay function model is I = I0·e -αL Where I is the attenuated vibration force intensity value; I0 is the initial vibration force intensity value generated by the vibration equipment; e is the base of the natural logarithm; α is the attenuation coefficient; and L is the path length of the vibration force propagation.

5. The method for controlling the vibration angle during concrete pouring according to claim 1, characterized in that, The process of identifying areas with insufficient vibration force transmission based on the intensity distribution of vibration force, obtaining the vibration force transmission path through simulation of the vibration force field distribution, adjusting the angle of the vibrating equipment in areas with insufficient vibration force transmission according to the simulated vibration force transmission path until the coverage reaches a preset coverage threshold, and determining the first angle, further includes: Based on the intensity distribution of the vibration force, under-vibration points are screened based on the minimum intensity threshold. Areas formed by connecting adjacent under-vibration points and whose area exceeds a preset area threshold are identified as areas with insufficient vibration force transmission, and their boundary coordinates and geometric center coordinates are determined. Based on the boundary coordinates and geometric center coordinates of the area with insufficient vibration force transmission, a finite element model with the location of the vibrating equipment as the vibration source is constructed to determine the vibration force transmission path in the vibration force transmission force field. The coverage rate is calculated based on the spatial area corresponding to the vibration force transmission path and the area where the vibration force transmission is insufficient. The first angle is determined by gradually adjusting the angle of the vibration equipment to achieve the preset coverage rate threshold.

6. The method for controlling the vibration angle during concrete pouring according to claim 1, characterized in that, The process of acquiring concrete material characteristic data, obtaining the force application time of the vibrating equipment in different thickness regions when set at the first included angle, analyzing the relationship between the force application time and the concrete density distribution, identifying uneven density regions, and calculating the rationality index of the vibration time to judge the rationality of the time allocation, further includes: Acquire concrete material property data and the duration of each vibration operation performed by the vibrating equipment at the first included angle; The construction area is divided into different thickness zones based on a preset thickness interval. The average vibration time for each thickness zone is calculated to form the actual vibration time for that thickness zone. Based on actual vibration time and material property data, and by measuring the actual density of the grid thickness area, a logarithmic relationship model between vibration time and density is constructed. The thickness area identification, actual vibration time, and measured density are combined to form a density distribution data table. Calculate the density difference between adjacent thickness regions based on the density distribution data table, use the deviation threshold to judge the density difference, identify the pairs of non-uniform density regions, and record the identifier and density difference of all pairs of non-uniform regions. For areas with uneven compaction, the theoretical compaction time required for each thickness to reach the target compaction is calculated based on the logarithmic relationship model between compaction time and compaction. Based on the theoretical and actual vibration times corresponding to each thickness zone, the rationality index of vibration time is calculated to judge the rationality of time allocation.

7. The method for controlling the vibration angle during concrete pouring according to claim 1, characterized in that, When it is determined that the vibration time allocation is unreasonable, adjusting the travel speed of the vibration equipment according to the target compaction and the first included angle of the corresponding area to obtain a first speed adjustment value matching the first included angle further includes: When it is determined that the vibration time allocation is unreasonable, the thickness value of the area with low density and the current travel speed of the vibration equipment are extracted, the effective diameter of the vibration equipment is obtained as the range of influence, and the actual vibration time per unit area obtained in the area is calculated. Based on the difference between the actual density and the target density in the area with low density, the vibration time increment per unit area required to achieve the target density is found by using the pre-established vibration time and density increment relationship curve. The necessary vibration time per unit area is obtained, and the adjusted travel speed and the first speed adjustment value are calculated. The maximum permissible speed is calculated based on the adjusted travel speed and the first included angle, and the adjusted travel speed is verified. The speed adjustment scheme set is generated by combining the area thickness, first included angle, and first speed adjustment value corresponding to each thickness area.

8. The method for controlling the vibration angle during concrete pouring according to claim 1, characterized in that, The step of calculating the corresponding current vibration time based on the first speed adjustment value matched with the first included angle, determining the time deviation between the current vibration time and the standard operation time, and determining whether to reallocate the time based on a preset time difference threshold, and determining the vibration time scheme, further includes: Calculate the current vibration time based on the adjusted travel speed corresponding to each thickness area and the first speed adjustment value; The region identifier, first speed adjustment value, construction length and current vibration time corresponding to each thickness region are combined to generate a basic dataset of vibration time. Calculate the total time deviation based on the sum of the current vibration times for all thickness zones and the standard operating time; If the absolute value of the total time deviation exceeds the preset time difference threshold, the time allocation priority is determined according to the thickness and density requirements of each area, and the standard working time is reallocated to each thickness area according to the weight ratio corresponding to the priority, so as to determine the target vibration time for each thickness area. The optimal travel speed is calculated based on the target vibration time for each thickness region, and the vibration time scheme is determined.

9. The method for controlling the vibration angle during concrete pouring according to claim 1, characterized in that, The process of generating control parameters for the vibrating equipment based on the vibration time scheme and the first speed adjustment value, thereby controlling the vibrating equipment to perform vibration operations, monitoring and judging compaction, and determining the final execution scheme when the judgment result meets the compaction requirements, further includes: Based on the target vibration time and first speed adjustment value for each thickness region, the corresponding first angle adjustment value is found using a pre-established table of speed and angle relationship. Combined with the first angle, the third angle corresponding to each thickness region is determined, and angle parameter configuration data is generated. Based on the included angle parameter configuration data, control parameters for the vibrating equipment are generated and transmitted to the controller of the vibrating equipment to control the vibrating equipment to perform the vibration operation; During the vibration operation, the compaction of each second measuring point is collected at a preset time interval to generate compaction monitoring data; the compaction monitoring data is compared with the standard compaction to calculate the compaction difference and determine whether the compaction difference is within the reasonable deviation range. If the density difference of all second measuring points is within a reasonable deviation range, then the final execution plan is determined directly based on the current control parameters. If the density difference is not within the reasonable deviation range, the second speed adjustment value and the second included angle adjustment value are determined according to the preset adjustment rules, the control parameters are adjusted, and the corresponding density monitoring data are obtained again based on the adjusted control parameters to judge the current density difference until the density difference of all second measuring points is within the reasonable deviation range, and the current control parameters are determined as the final execution plan.

10. A vibration angle control system for concrete pouring process, characterized in that, include: The system includes a data acquisition module, an adjustment range determination module, a vibration force distribution analysis module, a time allocation judgment module, a travel speed adjustment module, a time allocation optimization module, and a real-time monitoring and execution module; among which... The data acquisition module is used to collect the layer thickness data of ultra-thick concrete pavement and the initial angle of the vibrating equipment. Based on the layer thickness data, different thickness regions are determined, and the initial adjustment range of the vibrating equipment angle is determined based on the thickness changes in different thickness regions. The adjustment range determination module is used to analyze the vibration force intensity at each depth position of the insertion trajectory under the change of the inclination degree of the insertion trajectory, based on the preliminary adjustment range of the included angle of the vibrating equipment, the insertion depth of the vibrating equipment, the incident angle, and the insertion trajectory of the vibrating equipment, so as to obtain the intensity distribution and coverage of the vibration force intensity. The vibration force distribution analysis module is used to identify areas with insufficient vibration force transmission based on the intensity distribution of vibration force, obtain the vibration force transmission path by simulating the vibration force field distribution, and adjust the angle of the vibration equipment in the areas with insufficient vibration force transmission according to the simulated vibration force transmission path until the coverage reaches a preset coverage threshold, and determine the first angle. The time allocation judgment module is used to acquire concrete material characteristic data, acquire the force application time of the vibrating equipment in different thickness areas when the first included angle is set, analyze the relationship between the force application time and the concrete density distribution, determine the density uneven area pair, calculate the rationality index of the vibration time, and judge the rationality of the time allocation. The travel speed adjustment module is used to adjust the travel speed of the vibrating device according to the target density and the first included angle of the corresponding area when it is determined that the vibration time allocation is unreasonable, so as to obtain a first speed adjustment value that matches the first included angle. The time allocation optimization module is used to calculate the corresponding current vibration time based on the first speed adjustment value matched with the first included angle, determine the time deviation between the current vibration time and the standard operation time, determine whether to re-allocate the time based on the preset time difference threshold, and determine the vibration time scheme. The real-time monitoring and execution module is used to generate control parameters for the vibrating equipment based on the vibration time scheme and the first speed adjustment value, thereby controlling the vibrating equipment to perform vibration operation, monitor and judge the compaction, and determine the final execution scheme when the judgment result meets the compaction requirements.

Citation Information

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