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Simulation monitoring device of supporting structure deforming and soil pressure in foundation pit and simulation method

A supporting structure and monitoring device technology, applied in basic structure engineering, basic structure test, excavation, etc., can solve the problems of cumbersome and complicated installation, time-consuming and labor-intensive, unreliable results, etc., and achieve good economy, comprehensive and reliable data, and convenient The effect of promotion

Pending Publication Date: 2020-01-10
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The traditional physical experiment device is relatively simple, and each part of the whole experimental device is independent, and the installation is cumbersome and complicated. It is not only time-consuming and labor-intensive to simulate a large-scale foundation pit, but also economical.
At the same time, the construction process cannot be easily simulated, resulting in unreliable results

Method used

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  • Simulation monitoring device of supporting structure deforming and soil pressure in foundation pit and simulation method
  • Simulation monitoring device of supporting structure deforming and soil pressure in foundation pit and simulation method
  • Simulation monitoring device of supporting structure deforming and soil pressure in foundation pit and simulation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] see Figure 1-10 , the support structure deformation and earth pressure simulation monitoring device in the foundation pit, including a visual simulation box, a soil filling device, a multi-stage counterweight pressurization device, an internal support device, a structural deformation test device and an earth pressure distribution detection box 6 and each The device is combined and installed in the way of modular assembly. The soil filling device and the multi-stage counterweight pressurization device are installed directly above the visualization simulation box. The internal support device is arranged inside the visualization simulation box according to the simulation requirements. The structure The deformation test device is installed on the top of the visual simulation box and the internal support device, and the earth pressure distribution detection box 6 is evenly installed on the part of the internal support device set in the visual simulation box; the structural d...

Embodiment 2

[0041] see Figure 1-10 , each module in embodiment 1 is further described in detail. In the present invention, the front side baffle of the visualization simulation box adopts high-strength tempered glass 101, and the left side baffle 102, the right side baffle 103, and the rear side of the visualization simulation box All or part of the side baffles 104 are provided with movable baffles 105, and the movable baffles 105 are embedded in the left side baffle 102, the right side baffle 103, and the rear side baffle 104 in an up-and-down movable manner. The top is pulled out or inserted, which is convenient for filling and cleaning the soil. When the soil in the visualization simulation box needs to be cleared, the soil in each group of movable baffles 105 can be opened to quickly clean the soil, which is convenient for the next group of simulation experiments;

[0042] The soil filling device includes a sliding guide rail 201 and a soil spreading box 202. The sliding guide rail ...

Embodiment 3

[0050] see Figure 1-10 , the simulation method of the support structure deformation and earth pressure simulation monitoring device in the foundation pit has the following steps:

[0051] (1) Filling of materials

[0052] According to the similarity theory configuration and the soil similar material in the researched foundation pit area as the filling material, the movable baffles 105 on each side of the visual simulation box are assembled, the complete visual simulation box is assembled, and the soil spreading box 202 is installed to ensure that the soil spreading box 202 along the The sliding guide rail 201 slides to realize the uniform spreading of the filling material, compact the filling material according to the required compactness, and reserve the excavation area to arrange the internal support device;

[0053] (2) Assembly of each module and model construction

[0054] Use the crown beam 401 to fix each monitoring pile body 403, and fix the waist beam 402 with scre...

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Abstract

The invention discloses a simulation monitoring device of supporting structure deforming and soil pressure in a foundation pit. A soil filling device and a multi-stage balance weight pressurizing device are arranged over a visualization simulation box, an inner shoring device is arranged on the inner side of the visualization simulation box according to simulation needs, a structure deforming testdevice is arranged on the top of the visualization simulation box and on the inner shoring device, and soil pressure distribution detection boxes are evenly mounted in the inner supporting device andarranged on the part in the visualization simulation box. The simulation method comprises the steps of firstly, material filling; secondly, splicing of modules and model building; and thirdly, construction simulation and evaluation of the inner shoring device. The device has the advantages that simulation of a multi-scale complex shoring structure system is carried out, detection data are accurate and reliable, and popularization is facilitated.

Description

technical field [0001] The invention relates to the technical field of civil engineering testing, in particular to a simulation monitoring device and simulation method for the deformation and earth pressure of a support structure in a foundation pit. Background technique [0002] With the advancement of urbanization and the improvement of construction level in our country, foundation pit engineering is gradually facing the characteristics of large-scale construction area and complex construction conditions. In the construction design, numerical simulation and physical experiment are often used to evaluate and analyze the foundation pit support structure. Among them, the numerical simulation is not limited by the experimental conditions, and can be calculated reliably and efficiently. However, in the construction of important and complex engineering facilities, physical experiments are often required for comprehensive analysis. [0003] The traditional physical experiment d...

Claims

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Application Information

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IPC IPC(8): E02D33/00E02D17/04
CPCE02D17/04E02D33/00
Inventor 王常明高瑞源刘一奥刘潇阳
Owner JILIN UNIV
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