A soft soil foundation treatment method and device based on municipal road construction

Abstract

The present invention relates to the field of geological engineering, a method and device for treating soft soil foundation based on municipal road construction, comprising: analyzing the inherent properties and mechanical properties of soft soil samples; drawing a geological profile of a soft soil area, analyzing the soil layer distribution in the soft soil area, and analyzing the soil layer bearing capacity in the soft soil area; constructing a monitoring well network in the soft soil area, and calculating the permeability coefficient in the soft soil area; constructing a foundation analysis model in the soft soil area, and analyzing the foundation settlement characteristics of the soft soil area using the foundation analysis model; constructing a foundation treatment tuple in the soft soil area, determining the scheme parameters of the foundation treatment scheme corresponding to the foundation treatment tuple, analyzing the scheme foundation settlement characteristics of the soft soil area using the foundation analysis model, calculating the settlement characteristic loss of the scheme foundation settlement characteristics, and determining the target foundation treatment scheme in the foundation treatment tuple. The present invention can improve the stability of the soft soil foundation to enhance the safety of municipal roads.

Description

Technical Field

[0001] The invention relates to the field of geological engineering, and in particular to a soft soil foundation treatment method and device based on municipal road construction. Background Art

[0002] Soft soil foundation treatment refers to a series of engineering and technical measures to strengthen and improve the foundation with soft soil characteristics. Soft soil foundation refers to the foundation constructed by soil (silt, silty clay, some organic soil, etc.) with certain compressibility and low shear strength in geological conditions or engineering applications. This type of soil is prone to large settlement under load, and its stability is usually poor. It is necessary to use specific treatment methods to improve its bearing capacity and stability. Through reasonable foundation treatment, it can ensure that the soft soil foundation meets the safety and functional requirements of municipal roads, buildings and other projects.

[0003] At present, soft soil foundation treatment is mainly carried out by selecting suitable soft soil foundation treatment methods (replacement method, drainage consolidation method, deep mixing method, etc.) based on the construction experience of local construction teams. This method relies too much on the experience of local construction teams and cannot accurately judge the treatment effects of different schemes on the foundation, which makes it impossible to maximize the stability of the soft soil foundation, thereby reducing the safety of municipal roads. Summary of the invention

[0004] The present invention provides a soft soil foundation treatment method and device based on municipal road construction, the main purpose of which is to improve the stability of the soft soil foundation to enhance the safety of the municipal road.

[0005] To achieve the above object, the present invention provides a soft soil foundation treatment method based on municipal road construction, comprising:

[0006] Marking the soft soil area of ​​the municipal road construction scene, collecting soft soil samples in the soft soil area, and analyzing the soft soil properties of the soft soil samples, wherein the soft soil properties include inherent properties and mechanical properties;

[0007] Draw a geological profile of the soft soil area, and analyze the soil layer distribution in the soft soil area based on the geological profile, wherein the soil layer distribution includes the vertical distribution of the soil layer and the horizontal distribution of the soil layer, and analyze the soil layer bearing capacity of the soft soil area through the soil layer distribution and the soft soil properties;

[0008] Constructing a monitoring well network in the soft soil area, collecting hydrogeological parameters of the soft soil area through the monitoring well network, and calculating the permeability coefficient of the soft soil area based on the hydrogeological parameters;

[0009] Based on the soft soil properties, geological profile, soil bearing capacity, hydrogeological parameters and permeability coefficient, a foundation analysis model of the soft soil area is constructed, and the foundation settlement characteristics of the soft soil area are analyzed using the foundation analysis model;

[0010] Based on the foundation settlement characteristics, hydrogeological parameters and soft soil properties, a foundation treatment tuple for the soft soil area is constructed, and scheme parameters of the foundation treatment scheme corresponding to the foundation treatment tuple are determined. Based on the scheme parameters, the foundation settlement characteristics of the scheme in the soft soil area are analyzed using the foundation analysis model, and the settlement characteristic loss of the foundation settlement characteristics of the scheme is calculated. Based on the settlement characteristic loss, a target foundation treatment scheme in the foundation treatment tuple is determined.

[0011] Optionally, analyzing the soft soil properties of the soft soil sample includes:

[0012] Recording the collection information of the soft soil sample;

[0013] Based on the collected information, analyzing the test index of the soft soil sample;

[0014] According to the test index, a property test environment of the soft soil sample is configured, wherein the property test environment includes an inherent property test environment and a mechanical property test environment;

[0015] Based on the inherent property test environment, analyzing the soft soil moisture content, soft soil density, soft soil particle size and soft soil specific gravity of the soft soil sample;

[0016] Based on the mechanical property testing environment, analyzing the compressibility and shear strength of the soft soil sample;

[0017] Determining the inherent properties of the soft soil sample through the water content, density, particle size and specific gravity of the soft soil;

[0018] determining mechanical properties of the soft soil sample based on the compressibility and shear strength;

[0019] The soft soil properties of the soft soil sample are determined based on the inherent properties and the mechanical properties.

[0020] Optionally, analyzing the compressibility and shear strength of the soft soil sample based on the mechanical property test environment includes:

[0021] configuring graded axial pressure of soft soil samples using the mechanical property test environment;

[0022] Analyze the axial stress, axial stress increment, axial strain increment and axial strain of each level corresponding to the graded axial pressure;

[0023] Based on the axial stress, axial stress increment, axial strain increment and axial strain, the compression coefficient and compression modulus of the soft soil sample corresponding to each level of graded axial pressure are calculated using the following formula:

[0024] (σ a )=(Δθ a / θ a ) / (Δf a / f a )

[0025] (∈ a )=(θ a ) / (Δf a / f a )

[0026] Among them, (σ a ) represents the compression coefficient of the soft soil sample under graded axial pressure level a, Δθ a represents the axial stress increment of the soft soil sample under the graded axial pressure level a, θ a represents the axial stress of the soft soil sample under the graded axial pressure level a, Δf a represents the axial strain increment of the soft soil sample under graded axial pressure level a, f a represents the axial strain of the soft soil sample under graded axial pressure level a, (∈ a ) represents the compression modulus of the soft soil sample under graded axial pressure level a;

[0027] analyzing the compressibility of the soft soil sample based on the compressibility coefficient and the compression modulus;

[0028] Using the mechanical property test environment to configure the second axial stress and confining pressure of the soft soil sample;

[0029] Based on the second axial stress and confining pressure, the cohesion and internal friction angle of the soft soil sample are calculated using the following formula:

[0030]

[0031] ω=arctan((τ-θ2) / θ2)

[0032] in, represents the cohesion of the soft soil sample, ω represents the internal friction angle of the soft soil sample, θ2 represents the second axial stress of the soft soil sample, τ represents the confining pressure of the soft soil sample, and arctan represents the inverse trigonometric function;

[0033] Based on the cohesion and internal friction angle, the shear strength of the soft soil sample was analyzed.

[0034] Optionally, analyzing the soil layer distribution in the soft soil area based on the geological profile includes:

[0035] Based on the geological profile, interpreting soil layer information of the soil layer corresponding to the soft soil area;

[0036] Analyze the vertical continuity of the soil layer, the vertical boundary line of the soil layer, the interlayer of the soil layer and the self-weight stress of the soil layer in the vertical direction of the soil layer corresponding to the soft soil area through the soil layer information;

[0037] Analyze the vertical distribution of soil layers corresponding to the soil layers in the soft soil area according to the vertical continuity of the soil layers in the horizontal direction, the vertical boundary lines of the soil layers, the interlayers of the soil layers, and the self-weight stress of the soil layers;

[0038] Analyzing the horizontal continuity of the soil layer, the horizontal boundary line of the soil layer, and the contact relationship between the soil layers in the horizontal direction of the soil layer corresponding to the soft soil area through the soil layer information;

[0039] Based on the horizontal continuity of the soil layers, the horizontal boundary lines of the soil layers, and the contact relationship between the soil layers, analyzing the lateral change trend of the soil layers corresponding to the soft soil area;

[0040] Analyzing the horizontal distribution of soil layers corresponding to the soft soil area according to the lateral variation trend;

[0041] The soil layer distribution in the soft soil area is determined based on the vertical distribution of the soil layers and the horizontal distribution of the soil layers.

[0042] Optionally, analyzing the soil layer bearing capacity of the soft soil area according to the soil layer distribution and soft soil properties includes:

[0043] Based on the soil layer distribution, analyzing the soil layer depth and soil layer self-weight stress of the soil layer corresponding to the soft soil area;

[0044] Analyzing the soil cohesion of the soil layer corresponding to the soft soil area according to the soft soil properties;

[0045] According to the soil layer depth, soil layer self-weight stress, and soil layer cohesion, the soil layer bearing capacity of the soft soil area is calculated using the following formula:

[0046]

[0047] Among them, r 0,c represents the bearing capacity of the cth soil layer in the soft soil area, represents the cohesion of the cth soil layer in the soft soil area, z c represents the soil self-weight stress of the cth soil layer in the soft soil area, J c,u represents the shear strength of the cth and uth soil layers in the soft soil area, s c,u It represents the soil depth between the cth soil layer and the uth soil layer in the soft soil area, and m represents the number of corresponding soil layers in the soft soil area.

[0048] The soil layer depth refers to the distance between the cth soil layer and the uth soil layer, and the soil layer bearing capacity refers to the ability of the soil layer to resist vertical pressure.

[0049] Optionally, constructing a monitoring well network in the soft soil area includes:

[0050] Determining the well location and well depth in the soft soil area based on the geological profile corresponding to the soft soil area;

[0051] Constructing a well topology map of the soft soil area according to the well positions and well depths;

[0052] Based on the well topology map, calculating the well coverage factor of the wells in the corresponding area of ​​the soft soil area;

[0053] analyzing the well strength of wells in the region;

[0054] When the well coverage factor and the well strength simultaneously meet the preset coverage factor threshold and the standard well strength, configuring the flow equipment of the regional well;

[0055] Based on a preset communication protocol, a device data transmission network of the flow device is constructed;

[0056] Calculate the network response coefficient of the device data transmission network;

[0057] When the network response coefficient meets a preset response threshold, the equipment data transmission network is used as a monitoring well network in the soft soil area.

[0058] Optionally, the calculating the permeability coefficient of the soft soil area based on the hydrogeological parameters includes:

[0059] Analyzing soil parameters of the corresponding soil layer in the soft soil area through the hydrogeological parameters;

[0060] Based on the soil parameters, the soil hydraulic conductivity of the corresponding soil layer in the soft soil area is calculated using the following formula:

[0061]

[0062] Where N(i) represents the soil hydraulic conductivity of the corresponding soil layer in the soft soil area, N i represents the soil saturated hydraulic conductivity corresponding to the soil parameters, h represents the soil pore structure index corresponding to the soil parameters, N t represents the soil critical hydraulic volume corresponding to the soil parameters, N represents the soil matrix potential corresponding to the soil parameters, and v represents the soil shape parameter corresponding to the soil parameters;

[0063] Based on the hydrogeological parameters, determining the water level coordinates and the cutoff shape of the soil layer corresponding to the soft soil area;

[0064] The permeability coefficient of the soft soil area is calculated according to the soil hydraulic conductivity, the water level coordinates and the cutoff shape.

[0065] Optionally, calculating the permeability coefficient of the soft soil area according to the soil hydraulic conductivity, the water level coordinates and the cutoff shape includes:

[0066] Calculate the water level difference of different water level coordinates of soil layers corresponding to the soft soil area;

[0067] dividing the truncated shape into regular truncated shapes;

[0068] Calculating the water cross-sectional area of ​​the regular cut-off shape;

[0069] The permeability coefficient of the soil layer corresponding to the soft soil area is calculated using the following formula through the water level difference, water cross-sectional area and soil hydraulic conductivity:

[0070] β=-(g1-g2)·e / q

[0071] Among them, β represents the permeability coefficient of the soil layer corresponding to the soft soil area, g1-g2 represents the water level difference of the soil layer corresponding to the soft soil area, g1 and g2 represent the water levels of different coordinates of the soil layer corresponding to the soft soil area, e represents the water cross-sectional area of ​​the soil layer corresponding to the soft soil area, and q represents the soil hydraulic conductivity of the soil layer corresponding to the soft soil area.

[0072] Optionally, analyzing the solution foundation settlement characteristics of the soft soil area using the foundation analysis model based on the solution parameters includes:

[0073] Constructing the initial conditions of the foundation analysis model and defining the time range and step size of the foundation analysis model;

[0074] Based on the scheme parameters, construct different working condition parameters of the foundation analysis model;

[0075] By using the initial conditions, time range and step length, the foundation analysis model is used to analyze the settlement diagram of the soft soil area under different working parameters;

[0076] The settlement diagram is used to analyze the settlement characteristics of the proposed foundation in the soft soil area, wherein the proposed foundation settlement characteristics include foundation settlement amount, settlement rate and settlement distribution.

[0077] To achieve the above object, the present invention also provides a soft soil foundation treatment device based on municipal road construction, comprising:

[0078] A soft soil property analysis module is used to mark the soft soil area of ​​the municipal road construction scene, collect soft soil samples in the soft soil area, and analyze the soft soil properties of the soft soil samples, wherein the soft soil properties include inherent properties and mechanical properties;

[0079] A soil layer bearing capacity analysis module, used for drawing a geological profile of the soft soil area, and analyzing the soil layer distribution of the soft soil area based on the geological profile, wherein the soil layer distribution includes the vertical distribution of the soil layer and the horizontal distribution of the soil layer, and analyzing the soil layer bearing capacity of the soft soil area through the soil layer distribution and the soft soil properties;

[0080] A permeability coefficient analysis module, used to construct a monitoring well network in the soft soil area, collect hydrogeological parameters of the soft soil area through the monitoring well network, and calculate the permeability coefficient of the soft soil area based on the hydrogeological parameters;

[0081] A foundation analysis model building module is used to build a foundation analysis model of the soft soil area based on the soft soil properties, geological profile, soil layer bearing capacity, hydrogeological parameters and permeability coefficient, and use the foundation analysis model to analyze the foundation settlement characteristics of the soft soil area;

[0082] A foundation treatment scheme determination module is used to construct a foundation treatment tuple for the soft soil area based on the foundation settlement characteristics, hydrogeological parameters and soft soil properties, determine the scheme parameters of the foundation treatment scheme corresponding to the foundation treatment tuple, analyze the scheme foundation settlement characteristics of the soft soil area using the foundation analysis model based on the scheme parameters, calculate the settlement characteristic loss of the scheme foundation settlement characteristics, and determine the target foundation treatment scheme in the foundation treatment tuple based on the settlement characteristic loss.

[0083] In order to solve the above problem, the present invention further provides an electronic device, the electronic device comprising:

[0084] A memory storing at least one instruction;

[0085] The processor executes the instructions stored in the memory to implement the above-mentioned soft soil foundation treatment method based on municipal road construction.

[0086] In order to solve the above problems, the present invention also provides a computer-readable storage medium, in which at least one instruction is stored. The at least one instruction is executed by a processor in an electronic device to implement the above-mentioned soft soil foundation treatment method based on municipal road construction.

[0087] The present invention can be used as the basis for later foundation modeling by analyzing the soft soil properties of the soft soil sample; the present invention can accurately evaluate the bearing capacity of the soil layer in the soft soil area by analyzing the soil layer bearing capacity of the soft soil area through the soil layer distribution and soft soil properties, and provide a scientific basis for engineering design; the present invention can collect water quality information in real time by constructing a monitoring well network in the soft soil area, thereby improving the reliability of hydrological analysis in the later soft soil area, which plays an important role in ensuring the quality and safety of the project. Further, the present invention constructs a foundation analysis model of the soft soil area based on the soft soil properties, geological profile, soil layer bearing capacity, hydrogeological parameters and permeability coefficient to analyze the foundation settlement performance of the soft soil area. Finally, the present invention calculates the settlement characteristic loss of the foundation settlement characteristics of the scheme, and determines the target foundation treatment scheme in the foundation treatment tuple based on the settlement characteristic loss, which helps to ensure the rationality of the selection of the foundation treatment scheme, and can effectively solve the foundation settlement problem, thereby improving the safety of municipal roads. Therefore, the embodiment of the present invention can improve the stability of the soft soil foundation to enhance the safety of municipal roads. BRIEF DESCRIPTION OF THE DRAWINGS

[0088] Figure 1 A schematic flow chart of a soft soil foundation treatment method based on municipal road construction provided by one embodiment of the present invention;

[0089] Figure 2 A functional module diagram of a soft soil foundation treatment device based on municipal road construction provided by an embodiment of the present invention;

[0090] Figure 3 A schematic diagram of the structure of an electronic device for implementing the soft soil foundation treatment method based on municipal road construction provided by an embodiment of the present invention.

[0091] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0092] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0093] The embodiment of the present application provides a soft soil foundation treatment method based on municipal road construction. The execution subject of the soft soil foundation treatment method based on municipal road construction includes but is not limited to at least one of the electronic devices such as a server and a terminal that can be configured to execute the method provided by the embodiment of the present application. In other words, the soft soil foundation treatment method based on municipal road construction can be executed by software or hardware installed on a terminal device or a server device, and the software can be a blockchain platform. The server includes but is not limited to: a single server, a server cluster, a cloud server or a cloud server cluster, etc.

[0094] Reference Figure 1 FIG. 1 is a flow chart of a method for treating soft soil foundation based on municipal road construction according to an embodiment of the present invention. In this embodiment, the method for treating soft soil foundation based on municipal road construction includes:

[0095] S1. Marking a soft soil area in a municipal road construction scene, collecting soft soil samples in the soft soil area, and analyzing soft soil properties of the soft soil samples, wherein the soft soil properties include inherent properties and mechanical properties.

[0096] It should be explained that the soft soil area refers to those geological areas identified as soft soil during road construction. The soft soil sample refers to a sample collected from the soft soil area for testing.

[0097] The present invention can serve as a basis for later foundation modeling by analyzing the soft soil properties of the soft soil sample.

[0098] In detail, the analyzing the soft soil properties of the soft soil sample includes:

[0099] Recording the collection information of the soft soil sample;

[0100] Based on the collected information, analyzing the test index of the soft soil sample;

[0101] According to the test index, a property test environment of the soft soil sample is configured, wherein the property test environment includes an inherent property test environment and a mechanical property test environment;

[0102] Based on the inherent property test environment, analyzing the soft soil moisture content, soft soil density, soft soil particle size and soft soil specific gravity of the soft soil sample;

[0103] Based on the mechanical property testing environment, analyzing the compressibility and shear strength of the soft soil sample;

[0104] Determining the inherent properties of the soft soil sample through the water content, density, particle size and specific gravity of the soft soil;

[0105] determining mechanical properties of the soft soil sample based on the compressibility and shear strength;

[0106] The soft soil properties of the soft soil sample are determined based on the inherent properties and the mechanical properties.

[0107] Among them, the collection information refers to the detailed information recorded during the collection process of soft soil samples, including sampling location, depth, date, sampling tools, sampling methods, etc. The test indicators refer to the parameters and characteristics that need to be paid attention to during the soft soil sample testing process, such as water content, density, particle size, specific gravity, compressibility, shear strength, etc. The inherent property test environment refers to the laboratory environment used to test the inherent properties of soft soil samples, including equipment, instruments, test methods, etc. The mechanical property test environment refers to the laboratory environment used to test the mechanical properties of soft soil samples, including equipment, instruments, test methods, etc. The soft soil water content refers to the water content in the soft soil sample, the soft soil density refers to the density of the soft soil sample, the soft soil particle size refers to the size distribution of soil particles in the soft soil sample, the soft soil specific gravity refers to the specific gravity of soil particles in the soft soil sample, the compressibility refers to the property of the soft soil sample to reduce its volume under pressure, the shear strength refers to the ability of the soft soil sample to resist damage under shear, the inherent property refers to the basic property of the soft soil sample, and the mechanical property refers to the mechanical property of the soft soil sample.

[0108] Furthermore, based on the inherent property test environment, the soft soil moisture content, soft soil density, soft soil particle size and soft soil specific gravity of the soft soil sample are analyzed, wherein the moisture content can be determined by using a drying method, an alcohol combustion method or a microwave oven method, the soft soil density can be determined using a pycnometer method or a ring knife method, and the soft soil particle size can be determined by a screening method and a sedimentation analysis method.

[0109] Furthermore, the analyzing the compressibility and shear strength of the soft soil sample based on the mechanical property test environment includes:

[0110] configuring graded axial pressure of soft soil samples using the mechanical property test environment;

[0111] Analyze the axial stress, axial stress increment, axial strain increment and axial strain of each level corresponding to the graded axial pressure;

[0112] Based on the axial stress, axial stress increment, axial strain increment and axial strain, the compression coefficient and compression modulus of the soft soil sample corresponding to each level of graded axial pressure are calculated using the following formula:

[0113] (σ a )=(Δθ a / θ a ) / (Δf a / f a )

[0114] (∈ a )=(θ a ) / (Δf a / f a )

[0115] Among them, (σ a ) represents the compression coefficient of the soft soil sample under graded axial pressure level a, Δθ a represents the axial stress increment of the soft soil sample under the graded axial pressure level a, θ a represents the axial stress of the soft soil sample under the graded axial pressure level a, Δf a represents the axial strain increment of the soft soil sample under graded axial pressure level a, f a represents the axial strain of the soft soil sample under graded axial pressure level a, (∈ a ) represents the compression modulus of the soft soil sample under graded axial pressure level a;

[0116] analyzing the compressibility of the soft soil sample based on the compressibility coefficient and the compression modulus;

[0117] Using the mechanical property test environment to configure the second axial stress and confining pressure of the soft soil sample;

[0118] Based on the second axial stress and confining pressure, the cohesion and internal friction angle of the soft soil sample are calculated using the following formula:

[0119]

[0120] ω=arctan((τ-θ2) / θ2)

[0121] in, represents the cohesion of the soft soil sample, ω represents the internal friction angle of the soft soil sample, θ2 represents the second axial stress of the soft soil sample, τ represents the confining pressure of the soft soil sample, and arctan represents the inverse trigonometric function;

[0122] Based on the cohesion and internal friction angle, the shear strength of the soft soil sample was analyzed.

[0123] Among them, the graded axial pressure refers to the gradually increasing axial stress in the axial compression test, which is used to simulate the stress state of the soil in actual engineering. The axial stress refers to the force acting on the axial direction of the sample in the axial compression test. The axial stress increment refers to the difference between the axial stress from the first level to the next level in the axial compression test. The axial strain increment refers to the difference between the axial strain from the first level to the next level in the axial compression test. The axial strain refers to the ratio of the change in the axial length of the sample to the original length in the axial compression test. The compression coefficient refers to the parameter describing the compressibility of the soil. The compression modulus refers to the ability of the soil to resist compression deformation. The second axial stress: in the triaxial shear test, the axial stress applied to the soft soil sample. The confining pressure refers to the pressure acting on the side of the sample in the triaxial shear test. The cohesion refers to the internal cohesion of the soil to resist shear failure. The internal friction angle refers to the angle of friction between soil particles.

[0124] S2. Draw a geological profile of the soft soil area, and analyze the soil layer distribution in the soft soil area based on the geological profile, wherein the soil layer distribution includes the vertical distribution of the soil layer and the horizontal distribution of the soil layer, and analyze the soil layer bearing capacity of the soft soil area through the soil layer distribution and the properties of the soft soil.

[0125] It should be explained that the geological profile refers to a graphical representation of the vertical distribution of strata, rocks, faults, folds and other geological features below the surface. In detail, the geological profile can be drawn by collecting geological data, including drilling data, soil layer information, stratum distribution and other information. The vertical distribution of soil layers refers to the changes of soil layers in the vertical direction, and the horizontal distribution of soil layers refers to the changes of soil layers in the horizontal direction.

[0126] In detail, analyzing the soil layer distribution in the soft soil area based on the geological profile includes:

[0127] Based on the geological profile, interpreting soil layer information of the soil layer corresponding to the soft soil area;

[0128] Analyze the vertical continuity of the soil layer, the vertical boundary line of the soil layer, the interlayer of the soil layer and the self-weight stress of the soil layer in the vertical direction of the soil layer corresponding to the soft soil area through the soil layer information;

[0129] Analyze the vertical distribution of soil layers corresponding to the soil layers in the soft soil area according to the vertical continuity of the soil layers in the horizontal direction, the vertical boundary lines of the soil layers, the interlayers of the soil layers, and the self-weight stress of the soil layers;

[0130] Analyzing the horizontal continuity of the soil layer, the horizontal boundary line of the soil layer, and the contact relationship between the soil layers in the horizontal direction of the soil layer corresponding to the soft soil area through the soil layer information;

[0131] Based on the horizontal continuity of the soil layers, the horizontal boundary lines of the soil layers, and the contact relationship between the soil layers, analyzing the lateral change trend of the soil layers corresponding to the soft soil area;

[0132] Analyzing the horizontal distribution of soil layers corresponding to the soft soil area according to the lateral variation trend;

[0133] The soil layer distribution in the soft soil area is determined based on the vertical distribution of the soil layers and the horizontal distribution of the soil layers.

[0134] Among them, the soil layer information refers to the soil layer characteristics reflected in the geological profile, including soil layer type, thickness, vertical continuity, boundary line, interlayer, self-weight stress, etc. The vertical continuity of the soil layer refers to the continuity of the soil layer in the vertical direction. The soil layer boundary line refers to the contact boundary between soil layers, such as unconformity surface, conformity surface, etc. The soil layer interlayer refers to a discontinuous thin layer in the soil layer, which may be a soil layer of different lithology or different properties. The soil layer self-weight stress refers to the stress of the soil layer under the action of its own gravity. The horizontal continuity of the soil layer refers to the continuity of the soil layer in the horizontal direction. The horizontal boundary line of the soil layer refers to the contact boundary of the soil layer in the horizontal direction. The interlayer contact relationship of the soil layer refers to the relationship between the soil layers, including the nature and mode of interlayer contact. The lateral change trend refers to the change law of the soil layer in the horizontal direction, including thickness change, lithology change, etc.

[0135] The present invention analyzes the bearing capacity of the soil layer in the soft soil area through the soil layer distribution and the soft soil properties, and can accurately evaluate the bearing capacity of the soil layer in the soft soil area, thereby providing a scientific basis for engineering design.

[0136] In detail, analyzing the soil layer bearing capacity of the soft soil area through the soil layer distribution and soft soil properties includes:

[0137] Based on the soil layer distribution, analyzing the soil layer depth and soil layer self-weight stress of the soil layer corresponding to the soft soil area;

[0138] Analyzing the soil cohesion of the soil layer corresponding to the soft soil area according to the soft soil properties;

[0139] According to the soil layer depth, soil layer self-weight stress, and soil layer cohesion, the soil layer bearing capacity of the soft soil area is calculated using the following formula:

[0140]

[0141] Among them, r 0,c represents the bearing capacity of the cth soil layer in the soft soil area, represents the cohesion of the cth soil layer in the soft soil area, z c represents the soil self-weight stress of the cth soil layer in the soft soil area, J c,urepresents the shear strength of the cth and uth soil layers in the soft soil area, s c,u It represents the soil depth between the cth soil layer and the uth soil layer in the soft soil area, and m represents the number of corresponding soil layers in the soft soil area.

[0142] The soil layer depth refers to the distance between the cth soil layer and the uth soil layer, and the soil layer bearing capacity refers to the ability of the soil layer to resist vertical pressure.

[0143] S3. Constructing a monitoring well network in the soft soil area, collecting hydrogeological parameters of the soft soil area through the monitoring well network, and calculating the permeability coefficient of the soft soil area based on the hydrogeological parameters.

[0144] It should be explained that the monitoring well network refers to a monitoring network from the surface to the groundwater level composed of a series of wells, and the hydrogeological parameters refer to various parameters related to groundwater activity, including groundwater level, permeability coefficient, aquifer thickness, groundwater flow rate, water quality chemical composition and other parameters.

[0145] The present invention can collect water quality information in real time by constructing a monitoring well network in the soft soil area, thereby improving the reliability of hydrological analysis in the soft soil area in the later stage, which plays an important role in ensuring the quality and safety of the project.

[0146] In detail, the construction of the monitoring well network in the soft soil area includes:

[0147] Determining the well location and well depth in the soft soil area based on the geological profile corresponding to the soft soil area;

[0148] Constructing a well topology map of the soft soil area according to the well positions and well depths;

[0149] Based on the well topology map, calculating the well coverage factor of the wells in the corresponding area of ​​the soft soil area;

[0150] analyzing the well strength of wells in the region;

[0151] When the well coverage factor and the well strength simultaneously meet the preset coverage factor threshold and the standard well strength, configuring the flow equipment of the regional well;

[0152] Based on a preset communication protocol, a device data transmission network of the flow device is constructed;

[0153] Calculate the network response coefficient of the device data transmission network;

[0154] When the network response coefficient meets a preset response threshold, the equipment data transmission network is used as a monitoring well network in the soft soil area.

[0155] Among them, the well position refers to the specific position of the monitoring well on the ground, the well depth refers to the vertical distance of the monitoring well from the ground to the bottom of the well (or a predetermined depth), the well topology map refers to a structural diagram of the well constructed based on the well position and the well depth, showing the relative position relationship between the wells, the well coverage coefficient refers to a topological structure diagram of the well constructed based on the well position and the well depth, showing the relative position relationship between the wells, the well coverage coefficient refers to the ratio of the coverage area of ​​the well in a certain area to the total area of ​​the area, the well strength refers to the strength around the well, the coverage coefficient threshold refers to the preset minimum standard of the well coverage coefficient, which is used to judge whether the density of the well meets the monitoring requirements, the standard well strength refers to the preset standard value of the well strength, the flow equipment refers to equipment used to monitor the flow in the well, such as a flow meter, a water level meter, etc., the equipment data transmission network refers to a network that connects the flow equipment with the data acquisition and transmission system, the network response coefficient refers to an indicator for evaluating the performance of the equipment data transmission network, and the response threshold refers to the preset standard value of the network response coefficient, which is used to judge whether the performance of the network meets the monitoring requirements.

[0156] Furthermore, constructing the well topology map of the soft soil area through the well positions and well depths can be achieved through geographic information system (GIS) technology.

[0157] The present invention calculates the permeability coefficient of the soft soil area based on the hydrogeological parameters, can predict the consolidation time and consolidation settlement of the soil layer, and provide a basis for the later selection of soft soil area treatment solutions.

[0158] In detail, the calculation of the permeability coefficient of the soft soil area based on the hydrogeological parameters includes:

[0159] Analyzing soil parameters of the corresponding soil layer in the soft soil area through the hydrogeological parameters;

[0160] Based on the soil parameters, the soil hydraulic conductivity of the corresponding soil layer in the soft soil area is calculated using the following formula:

[0161]

[0162] Where N(i) represents the soil hydraulic conductivity of the corresponding soil layer in the soft soil area, N i represents the soil saturated hydraulic conductivity corresponding to the soil parameters, h represents the soil pore structure index corresponding to the soil parameters, N t represents the soil critical hydraulic volume corresponding to the soil parameters, N represents the soil matrix potential corresponding to the soil parameters, and v represents the soil shape parameter corresponding to the soil parameters;

[0163] Based on the hydrogeological parameters, determining the water level coordinates and the cutoff shape of the soil layer corresponding to the soft soil area;

[0164] The permeability coefficient of the soft soil area is calculated according to the soil hydraulic conductivity, the water level coordinates and the cutoff shape.

[0165] Among them, the soil parameters refer to various parameters describing soil properties, including saturated soil hydraulic conductivity, soil pore structure index, soil critical hydraulic volume, soil matrix potential, soil shape parameters, etc. The soil hydraulic conductivity refers to a parameter describing the soil's water transmission capacity, the soil saturated hydraulic conductivity refers to the soil's ability to transmit water in a fully saturated state, the soil pore structure index refers to a characteristic describing the soil's pore structure, the soil critical hydraulic volume refers to the critical point at which the soil changes from a saturated state to an unsaturated state, the soil matrix potential refers to a parameter describing the soil's water state, the soil shape parameter refers to a description of the shape of soil particles, the water level coordinates refer to the spatial position of the water level in the soil, the cutoff shape refers to the cross-sectional shape of water flow in the soil, and is used to describe the path of water flow in the soil, and the permeability coefficient refers to a parameter describing the soil's permeability performance, and reflects the water flow transmission capacity of the soil.

[0166] Further, the calculation of the permeability coefficient of the soft soil area according to the soil hydraulic conductivity, water level coordinates and truncation shape includes:

[0167] Calculate the water level difference of different water level coordinates of soil layers corresponding to the soft soil area;

[0168] dividing the truncated shape into regular truncated shapes;

[0169] Calculating the water cross-sectional area of ​​the regular cut-off shape;

[0170] The permeability coefficient of the soil layer corresponding to the soft soil area is calculated using the following formula through the water level difference, water cross-sectional area and soil hydraulic conductivity:

[0171] β=-(g1-g2)·e / q

[0172] Among them, β represents the permeability coefficient of the soil layer corresponding to the soft soil area, g1-g2 represents the water level difference of the soil layer corresponding to the soft soil area, g1 and g2 represent the water levels of different coordinates of the soil layer corresponding to the soft soil area, e represents the water cross-sectional area of ​​the soil layer corresponding to the soft soil area, and q represents the soil hydraulic conductivity of the soil layer corresponding to the soft soil area.

[0173] Among them, the water level difference refers to the difference between the water level heights at two different positions, the regular truncation shape refers to dividing the irregular cross-sectional shape of the soil layer into regular geometric shapes, such as rectangles, trapezoids, triangles, etc., and the water cross-sectional area refers to the area of ​​water flowing through a certain cross-section.

[0174] S4. Based on the soft soil properties, geological profile, soil bearing capacity, hydrogeological parameters and permeability coefficient, a foundation analysis model of the soft soil area is constructed, and the foundation settlement characteristics of the soft soil area are analyzed using the foundation analysis model.

[0175] The present invention constructs a foundation analysis model of the soft soil area based on the soft soil properties, geological profile, soil bearing capacity, hydrogeological parameters and permeability coefficient to analyze the foundation settlement performance of the soft soil area. The foundation analysis model refers to a mathematical or numerical model used to simulate and predict the behavior and response of the foundation under specific conditions (such as load, construction disturbance, groundwater conditions, etc.). In detail, the foundation analysis model can establish an initial model through finite element analysis (FEM), and configure the model parameters and boundary conditions of the initial model according to the soft soil properties, geological profile, soil bearing capacity, hydrogeological parameters and permeability coefficient to obtain the final foundation analysis model.

[0176] The present invention uses the foundation analysis model to analyze the foundation settlement characteristics of the soft soil area, which can provide a basis for later solution selection.

[0177] In detail, the foundation settlement characteristics can be analyzed by simulating the settlement behavior under natural conditions through a foundation analysis model.

[0178] S5. Based on the foundation settlement characteristics, hydrogeological parameters and soft soil properties, a foundation treatment tuple for the soft soil area is constructed, and scheme parameters of the foundation treatment scheme corresponding to the foundation treatment tuple are determined; based on the scheme parameters, the foundation settlement characteristics of the scheme for the soft soil area are analyzed using the foundation analysis model, and the settlement characteristic loss of the foundation settlement characteristics of the scheme is calculated; based on the settlement characteristic loss, a target foundation treatment scheme in the foundation treatment tuple is determined.

[0179] It should be explained that the foundation treatment tuple refers to a variety of solutions for treating soft soil foundations that are fitted according to the foundation settlement characteristics, hydrogeological parameters and soft soil properties, wherein the solutions for treating soft soil foundations may include:

[0180] Treatment plan 1: Drill holes in the area where the soft soil foundation is located to obtain multiple deep holes for water storage. After the water stored in the deep holes is pumped out, the deep holes are heated using heated gas to further reduce the water content in the soft soil foundation. Concrete slurry is then injected into the heated deep holes to improve the strength of the soft soil foundation.

[0181] Treatment plan 2: After using the prestressed pipe pile method to treat the soft soil foundation, backfill the treated soft soil foundation with earth, and add concrete slurry before backfilling to further reinforce the soft soil foundation.

[0182] Treatment plan three: Use high vacuum densification method to treat soft soil foundation, and reasonably formulate parameters during the treatment.

[0183] Optionally, the scheme parameters refer to specific values ​​and conditions used to describe and guide the foundation treatment scheme, which include the selection of treatment methods (such as deep mixing, CFG piles, drainage consolidation, etc.), treatment depth and range, treatment materials and proportions, construction parameters (such as construction speed, pressurization speed, mixing speed, etc.), monitoring schemes, pretreatment and post-treatment measures, safety measures, quality control standards and other parameters.

[0184] In detail, the method of analyzing the foundation settlement characteristics of the soft soil area based on the scheme parameters using the foundation analysis model includes:

[0185] Constructing the initial conditions of the foundation analysis model and defining the time range and step size of the foundation analysis model;

[0186] Based on the scheme parameters, construct different working condition parameters of the foundation analysis model;

[0187] By using the initial conditions, time range and step length, the foundation analysis model is used to analyze the settlement diagram of the soft soil area under different working parameters;

[0188] The settlement diagram is used to analyze the settlement characteristics of the proposed foundation in the soft soil area, wherein the proposed foundation settlement characteristics include foundation settlement amount, settlement rate and settlement distribution.

[0189] Among them, the initial condition refers to the initial state when the foundation analysis model starts to simulate, including the initial stress state of the soil layer, the initial water level, the initial pore water pressure, etc., the time range refers to the time span simulated by the foundation analysis model, the step size refers to the time interval of the foundation analysis model within the time range, the different working condition parameters refer to the load conditions, groundwater level changes, construction disturbances, etc. applied to the foundation at different time points or construction stages, the settlement diagram shows a graphical display of the changes in the settlement of the soft soil area with time and space under different working condition parameters, the foundation settlement refers to the total settlement of the foundation under the action of load, the settlement rate refers to the rate of change of the foundation settlement with time, the settlement rate refers to the distribution of the foundation settlement in space, the scheme foundation settlement characteristics refer to the overall characteristics of the settlement of the foundation under different working conditions corresponding to the foundation treatment scheme, and the scheme foundation settlement characteristics include foundation settlement, settlement rate and settlement distribution.

[0190] Finally, the present invention calculates the settlement characteristic loss of the foundation settlement characteristics of the scheme, and based on the settlement characteristic loss, determines that the target foundation treatment scheme in the foundation treatment tuple is helpful to ensure that the selection of the foundation treatment scheme is reasonable, and can effectively solve the foundation settlement problem, thereby improving the safety of municipal roads. In detail, the settlement characteristic loss refers to the difference between the foundation settlement characteristics and the untreated foundation after the implementation of the foundation treatment scheme. In detail, the settlement characteristic loss can be analyzed by comparing the settlement characteristics under each treatment scheme with the settlement characteristics of the benchmark model. The target foundation treatment scheme refers to the best foundation treatment scheme selected from multiple alternative foundation treatment schemes based on the settlement characteristic loss and other considerations (such as cost, construction difficulty, environmental impact, etc.).

[0191] The present invention can be used as the basis for later foundation modeling by analyzing the soft soil properties of the soft soil sample; the present invention can accurately evaluate the bearing capacity of the soil layer in the soft soil area by analyzing the soil layer bearing capacity of the soft soil area through the soil layer distribution and soft soil properties, and provide a scientific basis for engineering design; the present invention can collect water quality information in real time by constructing a monitoring well network in the soft soil area, thereby improving the reliability of hydrological analysis in the later soft soil area, which plays an important role in ensuring the quality and safety of the project. Further, the present invention constructs a foundation analysis model of the soft soil area based on the soft soil properties, geological profile, soil layer bearing capacity, hydrogeological parameters and permeability coefficient to analyze the foundation settlement performance of the soft soil area. Finally, the present invention calculates the settlement characteristic loss of the foundation settlement characteristics of the scheme, and determines the target foundation treatment scheme in the foundation treatment tuple based on the settlement characteristic loss, which helps to ensure the rationality of the selection of the foundation treatment scheme, and can effectively solve the foundation settlement problem, thereby improving the safety of municipal roads. Therefore, the embodiment of the present invention can improve the stability of the soft soil foundation to enhance the safety of municipal roads.

[0192] like Figure 2 1 is a functional module diagram of a soft soil foundation treatment device based on municipal road construction provided by an embodiment of the present invention.

[0193] The soft soil foundation treatment device 100 based on municipal road construction of the present invention can be installed in an electronic device. According to the functions to be implemented, the soft soil foundation treatment device 100 based on municipal road construction can include a soft soil property analysis module 101, a soil layer bearing capacity analysis module 102, a permeability coefficient analysis module 103, a foundation analysis model construction module 104 and a foundation treatment scheme determination module 105. The module of the present invention can also be called a unit, which refers to a series of computer program segments that can be executed by an electronic device processor and can complete fixed functions, which are stored in the memory of the electronic device.

[0194] The soft soil property analysis module 101 is used to mark the soft soil area of ​​the municipal road construction scene, collect soft soil samples of the soft soil area, and analyze the soft soil properties of the soft soil samples, wherein the soft soil properties include inherent properties and mechanical properties;

[0195] The soil layer bearing capacity analysis module 102 is used to draw a geological profile of the soft soil area, and analyze the soil layer distribution of the soft soil area based on the geological profile, wherein the soil layer distribution includes the vertical distribution of the soil layer and the horizontal distribution of the soil layer, and the soil layer bearing capacity of the soft soil area is analyzed through the soil layer distribution and the soft soil properties;

[0196] The permeability coefficient analysis module 103 is used to construct a monitoring well network in the soft soil area, collect hydrogeological parameters of the soft soil area through the monitoring well network, and calculate the permeability coefficient of the soft soil area based on the hydrogeological parameters;

[0197] The foundation analysis model building module 104 is used to build a foundation analysis model of the soft soil area based on the soft soil properties, geological profile, soil layer bearing capacity, hydrogeological parameters and permeability coefficient, and use the foundation analysis model to analyze the foundation settlement characteristics of the soft soil area;

[0198] The foundation treatment scheme determination module 105 is used to construct a foundation treatment tuple for the soft soil area based on the foundation settlement characteristics, hydrogeological parameters and soft soil properties, determine the scheme parameters of the foundation treatment scheme corresponding to the foundation treatment tuple, analyze the scheme foundation settlement characteristics of the soft soil area using the foundation analysis model based on the scheme parameters, calculate the settlement characteristic loss of the scheme foundation settlement characteristics, and determine the target foundation treatment scheme in the foundation treatment tuple based on the settlement characteristic loss.

[0199] In detail, each module in the soft soil foundation treatment device 100 based on municipal road construction in the embodiment of the present invention is used in the same manner as described above. Figure 1 The same technical means are used as the soft soil foundation treatment method based on municipal road construction, and can produce the same technical effects, so they will not be repeated here.

[0200] like Figure 3 FIG. 1 is a schematic diagram of the structure of an electronic device for implementing a soft soil foundation treatment method based on municipal road construction provided by an embodiment of the present invention.

[0201] The electronic device 1 may include a processor 10, a memory 11 and a bus 12, and may also include a computer program stored in the memory 11 and executable on the processor 10, such as a soft soil foundation treatment method program based on municipal road construction.

[0202] The memory 11 includes at least one type of readable storage medium, and the readable storage medium includes a flash memory, a mobile hard disk, a multimedia card, a card-type memory (e.g., SD or DX memory, etc.), a magnetic memory, a disk, an optical disk, etc. The memory 11 may be an internal storage unit of the electronic device 1 in some embodiments, such as a mobile hard disk of the electronic device 1. The memory 11 may also be an external storage device of the electronic device 1 in other embodiments, such as a plug-in mobile hard disk, a smart memory card (Smart Media Card, SMC), a secure digital (SecureDigital, SD) card, a flash card (Flash Card), etc. equipped on the electronic device 1. Further, the memory 11 also includes an internal storage unit of the electronic device 1 and an external storage device. The memory 11 may be used not only to store application software and various types of data installed in the electronic device 1, such as the code of a soft soil foundation treatment method program based on municipal road construction, but also to temporarily store data that has been output or is to be output.

[0203] The processor 10 may be composed of an integrated circuit in some embodiments, for example, a single packaged integrated circuit, or a plurality of packaged integrated circuits with the same or different functions, including one or more central processing units (CPUs), microprocessors, digital processing chips, graphics processors, and combinations of various control chips, etc. The processor 10 is the control core (Control Unit) of the electronic device, and uses various interfaces and lines to connect various components of the entire electronic device, and executes or executes programs or modules stored in the memory 11 (for example, a soft soil foundation treatment method program based on municipal road construction, etc.), and calls data stored in the memory 11 to execute various functions of the electronic device 1 and process data.

[0204] The bus 12 may be a peripheral component interconnect (PCI) bus or an extended industry standard architecture (EISA) bus, etc. The bus 12 may be divided into an address bus, a data bus, a control bus, etc. The bus 12 is configured to realize connection and communication between the memory 11 and at least one processor 10, etc.

[0205] Figure 3 Only an electronic device with components is shown, and those skilled in the art will understand that Figure 3The structure shown does not constitute a limitation on the electronic device 1, and may include fewer or more components than shown in the figure, or combine certain components, or arrange the components differently.

[0206] For example, although not shown, the electronic device 1 may also include a power source (such as a battery) for supplying power to each component. Preferably, the power source may be logically connected to the at least one processor 10 through a power management device, so that the power management device can realize functions such as charging management, discharging management, and power consumption management. The power source may also include any components such as one or more DC or AC power sources, recharging devices, power failure detection circuits, power converters or inverters, power status indicators, etc. The electronic device 1 may also include a variety of sensors, Bluetooth modules, Wi-Fi modules, etc., which will not be repeated here.

[0207] Furthermore, the electronic device 1 may also include a network interface. Optionally, the network interface may include a wired interface and / or a wireless interface (such as a WI-FI interface, a Bluetooth interface, etc.), which is generally used to establish a communication connection between the electronic device 1 and other electronic devices.

[0208] Optionally, the electronic device 1 may further include a user interface, which may be a display, an input unit (such as a keyboard), or a standard wired interface or a wireless interface. Optionally, in some embodiments, the display may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, and an OLED (Organic Light-Emitting Diode) touch device. The display may also be appropriately referred to as a display screen or a display unit, which is used to display information processed in the electronic device 1 and to display a visual user interface.

[0209] It should be understood that the embodiment is for illustration only and the scope of the patent application is not limited to this structure.

[0210] The soft soil foundation treatment method program based on municipal road construction stored in the memory 11 of the electronic device 1 is a combination of multiple instructions. When running in the processor 10, it can achieve:

[0211] A soft soil property analysis module is used to mark the soft soil area of ​​the municipal road construction scene, collect soft soil samples in the soft soil area, and analyze the soft soil properties of the soft soil samples, wherein the soft soil properties include inherent properties and mechanical properties;

[0212] A soil layer bearing capacity analysis module, used for drawing a geological profile of the soft soil area, and analyzing the soil layer distribution of the soft soil area based on the geological profile, wherein the soil layer distribution includes the vertical distribution of the soil layer and the horizontal distribution of the soil layer, and analyzing the soil layer bearing capacity of the soft soil area through the soil layer distribution and the soft soil properties;

[0213] A permeability coefficient analysis module, used to construct a monitoring well network in the soft soil area, collect hydrogeological parameters of the soft soil area through the monitoring well network, and calculate the permeability coefficient of the soft soil area based on the hydrogeological parameters;

[0214] A foundation analysis model building module is used to build a foundation analysis model of the soft soil area based on the soft soil properties, geological profile, soil layer bearing capacity, hydrogeological parameters and permeability coefficient, and use the foundation analysis model to analyze the foundation settlement characteristics of the soft soil area;

[0215] A foundation treatment scheme determination module is used to construct a foundation treatment tuple for the soft soil area based on the foundation settlement characteristics, hydrogeological parameters and soft soil properties, determine the scheme parameters of the foundation treatment scheme corresponding to the foundation treatment tuple, analyze the scheme foundation settlement characteristics of the soft soil area using the foundation analysis model based on the scheme parameters, calculate the settlement characteristic loss of the scheme foundation settlement characteristics, and determine the target foundation treatment scheme in the foundation treatment tuple based on the settlement characteristic loss.

[0216] Specifically, the specific implementation method of the processor 10 for the above instructions can refer to Figures 1 to 3 The description of the relevant steps in the corresponding embodiments will not be repeated here.

[0217] Furthermore, if the module / unit integrated in the electronic device 1 is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. The computer-readable storage medium can be volatile or non-volatile. For example, the computer-readable medium can include: any entity or device capable of carrying the computer program code, a recording medium, a USB flash drive, a mobile hard disk, a magnetic disk, an optical disk, a computer memory, and a read-only memory (ROM).

[0218] The present invention further provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor of an electronic device, the computer program can implement:

[0219] A soft soil property analysis module is used to mark the soft soil area of ​​the municipal road construction scene, collect soft soil samples in the soft soil area, and analyze the soft soil properties of the soft soil samples, wherein the soft soil properties include inherent properties and mechanical properties;

[0220] A soil layer bearing capacity analysis module, used for drawing a geological profile of the soft soil area, and analyzing the soil layer distribution of the soft soil area based on the geological profile, wherein the soil layer distribution includes the vertical distribution of the soil layer and the horizontal distribution of the soil layer, and analyzing the soil layer bearing capacity of the soft soil area through the soil layer distribution and the soft soil properties;

[0221] A permeability coefficient analysis module, used to construct a monitoring well network in the soft soil area, collect hydrogeological parameters of the soft soil area through the monitoring well network, and calculate the permeability coefficient of the soft soil area based on the hydrogeological parameters;

[0222] A foundation analysis model building module is used to build a foundation analysis model of the soft soil area based on the soft soil properties, geological profile, soil layer bearing capacity, hydrogeological parameters and permeability coefficient, and use the foundation analysis model to analyze the foundation settlement characteristics of the soft soil area;

[0223] A foundation treatment scheme determination module is used to construct a foundation treatment tuple for the soft soil area based on the foundation settlement characteristics, hydrogeological parameters and soft soil properties, determine the scheme parameters of the foundation treatment scheme corresponding to the foundation treatment tuple, analyze the scheme foundation settlement characteristics of the soft soil area using the foundation analysis model based on the scheme parameters, calculate the settlement characteristic loss of the scheme foundation settlement characteristics, and determine the target foundation treatment scheme in the foundation treatment tuple based on the settlement characteristic loss.

[0224] In the several embodiments provided by the present invention, it should be understood that the disclosed devices, systems and methods can be implemented in other ways. For example, the system embodiments described above are only illustrative, and actual implementation may have other division methods.

[0225] The modules described as separate components may or may not be physically separated, and the components shown as modules may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0226] In addition, each functional module in each embodiment of the present invention may be integrated into one processing unit, each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of hardware plus software functional modules.

[0227] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention.

[0228] In addition, it is clear that the word "comprising" does not exclude other units or steps, and the singular does not exclude the plural. Multiple units or devices stated in the system claim can also be implemented by one unit or device through software or hardware. The second and other words are used to indicate names, but not to indicate any particular order.

[0229] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. A soft soil foundation treatment method based on municipal road construction, characterized in that: The method comprises: Marking the soft soil area of ​​the municipal road construction scene, collecting soft soil samples in the soft soil area, and analyzing the soft soil properties of the soft soil samples, wherein the soft soil properties include inherent properties and mechanical properties; Draw a geological profile of the soft soil area, and analyze the soil layer distribution in the soft soil area based on the geological profile, wherein the soil layer distribution includes the vertical distribution of the soil layer and the horizontal distribution of the soil layer, and analyze the soil layer bearing capacity of the soft soil area through the soil layer distribution and the soft soil properties; Construct a monitoring well network in the soft soil area, collect hydrogeological parameters of the soft soil area through the monitoring well network, and calculate the permeability coefficient of the soft soil area based on the hydrogeological parameters, wherein the construction of the monitoring well network in the soft soil area includes: determining the well position and well depth of the soft soil area based on the corresponding geological profile of the soft soil area; constructing a well topology map of the soft soil area through the well position and well depth, and calculating the well coverage coefficient of the corresponding regional wells in the soft soil area based on the well topology map; analyzing the well strength of the regional wells, and when the well coverage coefficient and well strength simultaneously meet the preset coverage coefficient threshold and standard well strength, configuring the flow equipment of the regional wells, and constructing the equipment data transmission network of the flow equipment based on the preset communication protocol; calculating the network response coefficient of the equipment data transmission network, and when the network response coefficient meets the preset response threshold, using the equipment data transmission network as the monitoring well network in the soft soil area; Based on the soft soil properties, geological profile, soil bearing capacity, hydrogeological parameters and permeability coefficient, a foundation analysis model of the soft soil area is constructed, and the foundation settlement characteristics of the soft soil area are analyzed using the foundation analysis model; Based on the foundation settlement characteristics, hydrogeological parameters and soft soil properties, a foundation treatment tuple for the soft soil area is constructed, and scheme parameters of the foundation treatment scheme corresponding to the foundation treatment tuple are determined. Based on the scheme parameters, the foundation settlement characteristics of the scheme in the soft soil area are analyzed using the foundation analysis model, and the settlement characteristic loss of the foundation settlement characteristics of the scheme is calculated. Based on the settlement characteristic loss, a target foundation treatment scheme in the foundation treatment tuple is determined.

2. The soft soil foundation treatment method based on municipal road construction according to claim 1, characterized in that: The analyzing the soft soil properties of the soft soil sample comprises: Recording the collection information of the soft soil sample; Based on the collected information, analyzing the test index of the soft soil sample; According to the test index, a property test environment of the soft soil sample is configured, wherein the property test environment includes an inherent property test environment and a mechanical property test environment; Based on the inherent property test environment, analyzing the soft soil moisture content, soft soil density, soft soil particle size and soft soil specific gravity of the soft soil sample; Based on the mechanical property testing environment, analyzing the compressibility and shear strength of the soft soil sample; Determining the inherent properties of the soft soil sample through the water content, density, particle size and specific gravity of the soft soil; determining mechanical properties of the soft soil sample based on the compressibility and shear strength; The soft soil properties of the soft soil sample are determined based on the inherent properties and the mechanical properties.

3. The soft soil foundation treatment method based on municipal road construction according to claim 2, characterized in that: The analyzing the soil layer distribution in the soft soil area based on the geological profile includes: Based on the geological profile, interpreting soil layer information of the soil layer corresponding to the soft soil area; Analyze the vertical continuity of the soil layer, the vertical boundary line of the soil layer, the interlayer of the soil layer and the self-weight stress of the soil layer in the vertical direction of the soil layer corresponding to the soft soil area through the soil layer information; Analyze the vertical distribution of soil layers corresponding to the soil layers in the soft soil area according to the vertical continuity of the soil layers in the vertical direction, the vertical boundary lines of the soil layers, the interlayers of the soil layers, and the self-weight stress of the soil layers; Analyzing the horizontal continuity of the soil layer, the horizontal boundary line of the soil layer, and the contact relationship between the soil layers in the horizontal direction of the soil layer corresponding to the soft soil area through the soil layer information; Based on the horizontal continuity of the soil layers, the horizontal boundary lines of the soil layers, and the contact relationship between the soil layers, analyzing the lateral change trend of the soil layers corresponding to the soft soil area; Analyzing the horizontal distribution of soil layers corresponding to the soft soil area according to the lateral variation trend; The soil layer distribution in the soft soil area is determined based on the vertical distribution of the soil layers and the horizontal distribution of the soil layers.

4. The soft soil foundation treatment method based on municipal road construction according to claim 3 is characterized in that: The step of analyzing the foundation settlement characteristics of the soft soil region based on the scheme parameters using the foundation analysis model includes: Constructing the initial conditions of the foundation analysis model and defining the time range and step size of the foundation analysis model; Based on the scheme parameters, construct different working condition parameters of the foundation analysis model; By using the initial conditions, time range and step length, the foundation analysis model is used to analyze the settlement diagram of the soft soil area under different working parameters; The settlement diagram is used to analyze the settlement characteristics of the proposed foundation in the soft soil area, wherein the proposed foundation settlement characteristics include foundation settlement amount, settlement rate and settlement distribution.

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