20 results about "Consolidation process" patented technology

The invention relates to a depth operator digital intelligent model-based soft foundation consolidation degree rapid deduction method, which comprises the following steps of: obtaining soil layer thickness, layered structure, consolidation coefficient of each layer and drainage boundary condition of a soft soil foundation, and carrying out dimensionless processing on physical depth and physical time; generating a dimensionless consolidation coefficient field sample which changes along with the dimensionless depth, and dispersing the dimensionless consolidation coefficient field sample at a plurality of fixed depth positions; inputting the dimensionless time-depth coordinate into a backbone network of the physical information-depth operator network, inputting the consolidation coefficient discrete vector and the soil layer distribution parameter into a branch network of the physical information-depth operator network, and fusing the output of the backbone network and the output of the branch network to obtain an estimated value of the dimensionless hyperstatic pore water pressure; and training the physical information-depth operator network based on the physical information loss function to obtain a soft soil foundation consolidation prediction model. According to the method, rapid and accurate deduction of the consolidation process can be realized.

An in-situ thermoforming and (co-)consolidation process for joining two components together. An adaption of one of the components to the contour of the other component is done directly before a joining step with the other component in the same tooling by adapting process parameters such as heat and pressure. Also a stiffened component manufactured by such a method.

The application concerns a microbiological system supporting the consolidation of sand and sandy soils through biocementation, utilizing a mixture of bacteria from the Sporosarcina genus, including Sporosarcina sp. ANT_H38, deposited in the Polish Collection of Microorganisms (PCM) at the Institute of Immunology and Experimental Therapy of the Polish Academy of Sciences in Wrocław under number B / 00547, and Sporosarcina pasteurii DSM 33. The goal is to stabilize and strengthen soil structures through natural mineralization, which increases the substrate's load-bearing capacity. The process involves culturing the bacteria on LB medium, diluting them and combining them with urea, and then applying them to sand or soil with the addition of a cementing medium. The system also operates effectively at low temperatures, enabling broad applications in construction and environmental protection. The application also concerns a method for producing the microbiological system and a method for supporting the consolidation process of sand and / or sandy soils using this system.

The application discloses a kind of based on KAN's multiple pore rock-soil medium consolidation process analysis method and system, belong to the field of soil consolidation analysis.This method includes: obtaining the data including time, depth and each pore system pore water pressure in the consolidation process of multiple pore rock-soil medium, establishes data set and carries out pre-processing;KAN is trained to obtain the control equation describing the consolidation process of multiple pore rock-soil medium by inversion;PiKAN based on physical information is constructed, the control equation and the initial condition and boundary condition of consolidation process are used as physical constraint, and embedded in loss function;PiKAN is trained using the pre-processed data set, and the pore water pressure of each pore system of multiple pore rock-soil medium at different times and depths is solved.The KAN based on physics and data driving can quickly and effectively obtain the pore water pressure of multiple pore rock-soil medium with less test data, and provide technical support for related engineering stability evaluation.

The utility model discloses a suction type drainage pipe fitting, and belongs to the technical field of soft soil foundation consolidation treatment. The suction type drainage pipe fitting comprises the filter body used for permeating water or / and gas in soil and the pipe body capable of sucking water or / and gas in the soil to form the suction type drainage pipe fitting, so that the filter cavity and the pipe body are arranged, on one hand, water or / and gas can be gathered, and on the other hand, the suction type drainage pipe fitting is formed; on the other hand, soil moisture or / and gas can be rapidly discharged, the drainage and exhaust effects are effectively improved, the soft soil foundation construction time is shortened, and application and popularization are facilitated. Furthermore, the suction type drainage pipe fitting can be used for direct vacuum suction drainage gas consolidation treatment of ultra-soft sludge, float sludge, sludge surface layers and sand-free cushion layers, the one-time suction area can reach 5-10 meters, the suction depth is 2-8 meters, the suction type drainage pipe fitting can replace on-site drainage plate connecting pipe construction, and the construction efficiency is effectively improved.

The invention discloses a KAN-based multi-pore rock-soil medium consolidation process analysis method and system, and belongs to the field of heaping consolidation analysis. The method comprises the following steps: acquiring data including time, depth and pore water pressure of each pore system in the consolidation process of the multi-pore rock-soil medium, establishing a data set and preprocessing the data set; training the KAN to obtain a control equation for describing the consolidation process of the multi-pore rock-soil medium through inversion; constructing a PiKAN based on physical information, and embedding a loss function by taking a control equation and initial conditions and boundary conditions of a consolidation process as physical constraints; and training the PiKAN by using the preprocessed data set, and solving the pore water pressure of each pore system of the multi-pore rock-soil medium at different time and depths. Based on the KAN driven by physics and data, the pore water pressure of the multi-pore rock-soil medium can be rapidly and effectively measured under the condition of less test data, and technical support is provided for related engineering stability evaluation.

The application provides a soil body deposition consolidation and bidirectional permeability coefficient testing device, which comprises a soil sample cylinder for layered soil sample loading of tailing materials; a vertical loading system controlled by a measurement and control system, which is used for applying a vertical loading force to the soil sample in the soil sample cylinder, so that the axial force reaches a predetermined value to perform drainage consolidation of the soil sample; a water supply and water head control system; a vertical permeation water collecting and flow measuring device, which is used for receiving the water seeping out of the soil sample cylinder; a horizontal permeation test rotating system, which is used for cutting the soil sample in the soil sample cylinder to measure the horizontal permeability coefficient of the soil sample; and a horizontal permeation water collecting and flow measuring device, which is used for receiving the water seeping out of the soil sample in the horizontal permeation test rotating system. The application can realize one-dimensional deposition consolidation test of soil in the soil sample cylinder, realize simulation test of the deposition consolidation process of soil under the conditions of lateral stress state and different overburden loads, and simultaneously perform vertical and horizontal permeation tests, so as to provide more accurate parameters for stability analysis of tailing dams.

The present application aims at the problem of insufficient accuracy of consolidation calculation of ultra-soft soil under low stress level and difficulty in accurately reflecting its consolidation characteristics, and provides a consolidation calculation method of ultra-soft soil under low stress level. The method firstly determines the functional relationship between the void ratio and the permeability coefficient through the permeability test, then identifies the consolidation boundary point of the transformation of ultra-soft soil to ordinary soft soil through the consolidation test, establishes the segmented function relationship between the void ratio and the effective stress before and after the consolidation boundary point, and further obtains the segmented function relationship between the consolidation coefficient and the effective stress. Through the relevant calculation software or the relevant calculation program, the numerical simulation of the consolidation process of ultra-soft soil under low stress level can be realized by using the segmented function relationship between the consolidation coefficient and the effective stress and considering the change of the consolidation coefficient with the increase of the effective stress. The consolidation calculation method can reflect the consolidation deformation law of ultra-soft soil under low stress level, and can provide theoretical reference for the design and construction of ultra-soft soil foundation reinforcement engineering.

The application discloses a device for making a chemical sand consolidation system consolidation body and a use method thereof, and the device comprises a fixing part, a pressurizing part, a sand filling part and a temperature and pressure control part; the device can be repeatedly used for many times, and the chemical sand consolidation system consolidation experiment simulation repetition rate is high; the device can solve the problem of the traditional glass tube sand filling method or sand mixing method that many factors influence the consolidation process, and the consolidation experiment simulation repeatability is poor; the consolidation process (sand filling, pressurizing, wetting, cementing and solidifying) of the device is continuous and uninterrupted, and the actual situation on site can be simulated; the device can solve the problem of the traditional glass tube sand filling method or sand mixing method that the consolidation process (sand filling, pressurizing, wetting, cementing and solidifying) is interrupted and discontinuous, and the actual situation on site cannot be simulated.

The utility model discloses a highway subgrade gravel pile which comprises a foundation, a gravel pile body, a grouting mechanism and a drainage mechanism. After a plurality of mounting holes are formed in the foundation, gravel is filled into the mounting holes to form a gravel pile main body; the grouting mechanism comprises a grouting pipe and grouting holes, and after the grouting pipe is located in the center of the mounting hole, the grouting holes are evenly formed in the wall body and used for injecting cement paste reinforcing materials in the later period; and the drainage mechanisms are arranged between the adjacent groups of gravel pile main bodies and are used for accelerating drainage of water in the foundation. Compared with the prior art, the gravel pile has the advantages that high-quality gravel is adopted as a filling material, good drainage performance and high strength are ensured, and the reinforced nets are arranged at the top and the bottom of the gravel pile body, so that the tensile strength and the stability of the whole structure are improved; the vertical drainage plates are arranged between the adjacent gravel pile bodies, drainage of water in a foundation is accelerated, pore water pressure is reduced, and the consolidation process is accelerated.

The application relates to the technical field of geotechnical engineering foundation treatment, in particular to a drainage plate with adjustable water flow and a regulating method. The drainage plate comprises a core plate, a filter membrane and a joint, the filter membrane wraps the periphery of the core plate, the core plate has at least two independently arranged drainage channels, the core plate comprises a rubber matrix and polyacrylic hydrogel dispersed in the rubber matrix, the rubber matrix is integrally shaped into a continuous drainage framework through a mold, and the polyacrylic hydrogel forms an interpenetrating network in the rubber matrix; the joint has switches matched with the number of the drainage channels, and the water outlet of each drainage channel is connected with one switch to adjust the water flow of the core plate. According to the scheme, the drainage capacity can be dynamically adjusted according to the foundation consolidation process through the design of adjustable water flow, the risk of filter membrane blockage is reduced, and the advantages of improved drainage efficiency, shortened foundation reinforcement period and ensured treatment effect stability are achieved.

The application discloses a kind of river and lake dredging sludge dewatering and drying method, the method is by constructing sludge disposal site to carry out solidification drainage, comprising: S1, constructing sludge disposal site with at least two dewatering and drying zones;S2, sludge water is sent to dewatering and drying zone from the import of dewatering and drying zone, sludge water is separated and clear water is generated in dewatering and drying zone, and clear water flows out from the water outlet of dewatering and drying zone;S3, the seepage water in the bottom mud layer is pumped out by using water pump group.The application increases the free settling time when dewatering and drying, ensures the clarification effect of sludge water reaching the water outlet, and improves the dewatering efficiency of clear water.In addition, by using the water pump to pump out the pore water in the silt during the consolidation process of the drainage pipe and the drainage ditch, the discharge of silt pore water is accelerated, and the dewatering and drying of the bottom mud is further accelerated.The sludge disposal site constructed by the application has two or more dewatering and drying zones, and the dewatering and drying zones can be converted, which further improves the dewatering and drying efficiency of the bottom mud.

The utility model relates to a device for water-gas separation measurement in an unsaturated soil consolidation process. The device comprises a base, a pressure chamber and a vertical loading mechanism which are sequentially connected from bottom to top, the spiral line groove, the first three-way valve and the drainage measuring piece are communicated to form a drainage channel communicated with the soil sample containing space, and the first exhaust pipeline / second exhaust pipeline, the second three-way valve and the exhaust measuring piece are communicated to form an exhaust channel communicated with the soil sample containing space. The device has the beneficial effects that through the collaborative design of the base, the pressure chamber and the vertical loading mechanism, the spiral grooves of the upper and lower argil plates and the hydrophobic semi-permeable membrane exhaust pipelines are matched, water and gas discharged by consolidation of a soil sample are guided into the independent drainage and exhaust channels respectively, and the spiral grooves are combined with the water-permeable and air-impermeable characteristics of the argil plates to guide water to the drainage measuring piece; the hydrophobic semi-permeable membrane blocks moisture and only allows gas to enter the exhaust measuring piece through the exhaust pipeline, so that water-gas physical separation and synchronous accurate measurement are realized.

This utility model discloses a cofferdam preloading reinforcement device for soft soil foundations, comprising a cofferdam, a sealing membrane, a vacuum device, a surcharge soil layer, a sand cushion layer, and a longitudinal drainage board. The cofferdam is fixed around the soft soil foundation and is ring-shaped. The sealing membrane is laid inside the cofferdam and at least completely covers the soft soil foundation within the cofferdam. The sand cushion layer is laid on the soft soil foundation within the cofferdam, and the surcharge soil layer is laid on the soft soil foundation within the cofferdam, with the sand cushion layer located below the surcharge soil layer. The sealing membrane is laid between or below the sand cushion layer and the surcharge soil layer. The vacuum device is connected to the longitudinal drainage board and is located outside the cofferdam. The longitudinal drainage board is vertically inserted into the soft soil foundation within the cofferdam and is located below the sand cushion layer. This utility model accelerates the drainage and consolidation process of the soft soil foundation, shortens the reinforcement time, and achieves better preloading effect.

The invention discloses a pollutant migration real-time monitoring and feedback control system in a contaminated soil consolidation process, which comprises a consolidation treatment module, a real-time monitoring module, an integrated control module and a feedback control module, and is characterized in that the consolidation treatment module comprises a consolidation container, a pressurization assembly and a drainage assembly, the drainage assembly is communicated with the bottom of the consolidation container, and the consolidation container is communicated with the real-time monitoring module; the real-time monitoring module comprises a soil internal pollutant concentration monitoring unit and a pore water pressure monitoring unit which are arranged in a layered mode according to the preset depth of a polluted soil body, the tail of the real-time monitoring module extends to the outer side along the inner wall of the container through a waterproof signal cable to be in wired connection with the integrated control module, and the integrated control module is used for receiving monitoring data and analyzing a comparison threshold value. And the feedback control module receives the instruction, linkage adjustment and consolidation processing module coordination are achieved, and closed-loop control is formed through coordination of all the modules. According to the invention, pollutant migration dynamic real-time capture and accurate linkage regulation and control of consolidation parameters can be realized, and the safety and effectiveness of consolidation repair of the polluted soil body are improved.

The application provides a geotechnical bag dynamic construction process simulation method, and belongs to the technical field of hydraulic engineering. The method comprises the following steps: based on the topological structure of the geotechnical bag, a geotechnical bag construction process simulation model is constructed; a periodic slurry generation boundary is set to construct a calculation background network, a full-coupling simulation is performed to obtain a filling process simulation result, and the periodic slurry generation boundary is deleted; according to actual engineering conditions, the initial porosity and permeability coefficient of solid particles are obtained and updated to obtain a dynamic consolidation process simulation result; three-dimensional coordinate data of the bag particles are collected, surface reconstruction is used to obtain bag shape and tensile stress data, and the tensile strength margin is quantified to obtain geotechnical bag dynamic construction process simulation quantitative results. The application solves the problems that the existing geotechnical bag construction process simulation cannot determine the single filling height that the bag can withstand, the final shape and thickness distribution of the bag, and the problems of generated quality and engineering safety.

The invention provides an artificial island filling method and system for dredging ocean soil based on geotextile tube bags, and the method comprises the following steps: firstly constructing an island wall structure, enclosing an internal area, and then adopting a filling process of circulating and alternating'geotextile tube bag layers' and'spacing sand layers', namely, arranging the geotextile tube bags and filling dredged soil after blowing and filling a foundation sand layer; and the interval sand layer is dredger-filled for covering and filling, and circulation is conducted till the designed elevation is achieved. And finally, pumping water through a pumping well pre-arranged in the sand layer, and promoting the dredged soil to be quickly dehydrated and solidified in the geotextile tube bag by utilizing self weight and upper load. Therefore, resource utilization of the marine dredged soil is realized, and the cost of raw materials and the damage to the environment are remarkably reduced; the airtight filling of the geotextile tube bag effectively prevents the diffusion of the dredged soil and protects the surrounding sea area environment; and in combination with the pressurized drainage mode of the pumping well, the consolidation process of the soft soil foundation is greatly accelerated, and the construction period is shortened.

The invention discloses a method for calculating bearing deformation of a plastic drainage plate foundation. The method includes the steps of setting the distance between drain boards in a plane strain model, selecting a proper unit type to simulate the drain boards, calculating and setting the equivalent width of the drain boards in the plane strain model, calculating and setting the equivalent horizontal permeability coefficient of foundation soil in the plane strain model, setting boundary conditions of the plane strain model and executing calculation. According to the method, the principle that the displacement per unit volume in a plane strain model and the displacement per unit volume in an axial symmetry model are equal is followed, the hydraulic gradient changing along with the consolidation process and the smearing effect and the well resistance effect of the drainage plate are considered, and a certain average consolidation degree does not need to be empirically selected in advance to serve as the requirement for matching conversion of the plane strain model; and a reasonable selection basis of the type of the drain board unit is given, modeling calculation of the drain board foundation can be rapidly completed, and a more accurate and reliable numerical simulation tool is provided for related design and calculation analysis of the drain board foundation.

The application discloses a multi-dimensional pore pressure monitoring automatic pressurization type soil body consolidation method, system and device, and relates to the technical field of soil body consolidation engineering. A plurality of soil pressure cells are arranged on the same plane and the same vertical direction of a soil sample to synchronously collect pore water pressure data at different positions in the soil sample; an automatic and step-by-step axial pressure is applied through a preset program of a measurement control system; based on the continuous drainage boundary theory, the time and space variation trends of the pore water pressure and the settlement data are combined to comprehensively determine the consolidation state and invert the interface parameters. The system and the device integrate a consolidation pressure chamber, an axial loading system, a water pressure control device, a multi-channel data acquisition system and a measurement control system to realize automatic and collaborative loading, monitoring and control, and the application can efficiently and reliably acquire multi-point time and space data of the whole soil body consolidation process, thereby providing an advanced test method for evaluating the consolidation space uniformity, determining soil engineering parameters and verifying the continuous drainage boundary theory.

The invention discloses an efficient vibration attenuation process for a periodic pile-in-row reinforced foundation, and relates to the field of foundation treatment and vibration control. The efficient vibration attenuation process for the periodic pile-in-row reinforced foundation comprises the specific steps that a construction system composed of multifunctional composite pile bodies containing drainage and grouting channels is provided; piling pile bodies according to a periodic pattern and connecting an intelligent drainage regulation and control network, carrying out differential drainage consolidation to form a wave impedance gradient soil body, injecting a matched core material, and solidifying to form a composite periodic structure to attenuate foundation vibration; a system integrating a multifunctional composite pile body and an intelligent drainage regulation and control network is constructed, and a preset wave impedance gradient distribution soil body is formed through differential opening and closing control and accurate regulation and control of the consolidation process. And gradient composite core material injection is matched, vibration energy dissipation is strengthened, the vibration attenuation efficiency of the foundation is greatly improved, the construction process is simplified, and an efficient and reliable scheme is provided for complex scene foundation treatment.