Soil slope multi-field coupling simulation testing device

A simulation test and soil slope technology, applied in the field of new model experiment devices, can solve the problems of large influence on slope stability and little investigation of changes in soil particle structure within the slope, achieving good durability and simple operation. , the effect of high experimental error tolerance

Inactive Publication Date: 2012-12-26
SUZHOU NANZEE SENSING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to limited conditions, the existing model tests can only consider the influence of a single influencing factor on slope stability, while in engineering practice, the coupling effect of multiple influencing factors has a greater impact on slope stability
In addition, the existing model tests generally only analyze the deformation of the slope surface, and rarely investigate the internal changes of the slope and the changes of the soil particle structure.

Method used

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  • Soil slope multi-field coupling simulation testing device
  • Soil slope multi-field coupling simulation testing device
  • Soil slope multi-field coupling simulation testing device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0024] Example: The following is an example of the stability evaluation of a 45° slope filled with silty clay under the multi-field coupling of load and water level to illustrate the specific use of this model device.

[0025] like image 3 As shown in the figure, the slope is filled into the shape shown in the figure, and multiple sensors for measuring strain, displacement and temperature signals are arranged in layers inside and outside the slope. Connect the sensor to the computer terminal and collect the first raw data as the initial reading. Complete the stacking of the slope and the layout of the data acquisition system.

[0026] like image 3 In the arrangement shown, water is poured into the water tank 12 on the right side of the model device, and the water enters the model device through the side holes to control its water inflow rate, record the water level readings on the left and right sides at the same interval, and stop releasing water after reaching the ...

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Abstract

The invention discloses a soil slope multi-field coupling simulation testing device which comprises a model box body, a counter force loading device, an electric heating system, an artificial rainfall system and a temperature and strain measurement acquisition system. The model box body is in a cuboid shape and provided with five closed faces and a top opening. The box body structure is formed by a steel structure through pouring and welding. The front side of the box body is welded into a whole in a grid shape through steel bars. A piece of tempered glass is arranged on the inner side of the grid. Slope models are stacked in the box body. The counter force loading device is installed on the upper portion of the testing device. The electric heating system is disposed at the bottom of the testing device. The artificial rainfall system is arranged above the testing device. The soil slope multi-field coupling simulation testing device is an indoor model device which aims at estimating soil slope stability under the multi-field effect, and can analyze stability of slopes under the influence of various factors.

Description

technical field [0001] The invention relates to a novel model experiment device, in particular to a slope simulation experiment device under the action of multiple field factors. Background technique [0002] my country is a country with frequent occurrence of geological disasters, with various types and wide distribution ranges, among which the disasters caused by the collapse of slopes are the most serious. Over the years, scientific research in related fields and engineering practice have carried out in-depth research on the mechanism of landslides and the effects of landslide control from different aspects, and achieved a series of results. Among them, the slope model test research has the advantages of convenience, strong operability, and diverse measurement targets, and the obtained data is easy to analyze and integrate in engineering practice, so this research method is more and more favored by researchers. However, due to limited conditions, the existing model tests...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/24
Inventor 严珺凡朱鸿鹄施斌魏广庆
Owner SUZHOU NANZEE SENSING TECH
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