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Hot water gas migration testing device for rainwater infiltrating unsaturated soil under influence of temperature

A test device, hot water technology, applied in soil material testing, measuring device, permeability/surface area analysis, etc., can solve the problem of fixed rainfall intensity and rainfall distribution density, inability to adjust rainfall density, and difficulty in simulating the authenticity of rainfall, etc. problems, to achieve the effect of light design, simple operation and uniform temperature distribution

Pending Publication Date: 2021-03-26
TAIZHOU UNIV
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Problems solved by technology

This kind of rainfall module is relatively fixed to the rain intensity and rainwater distribution density, and the rainfall density cannot be adjusted during the rainfall process, so it is difficult to simulate the authenticity of rainfall

Method used

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  • Hot water gas migration testing device for rainwater infiltrating unsaturated soil under influence of temperature
  • Hot water gas migration testing device for rainwater infiltrating unsaturated soil under influence of temperature
  • Hot water gas migration testing device for rainwater infiltrating unsaturated soil under influence of temperature

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Embodiment Construction

[0029] Below in conjunction with accompanying drawing, the present invention will be further described with specific embodiment, see Figure 1-5 :

[0030] The hot water gas migration test device for rainwater infiltration into unsaturated soil under the influence of temperature includes: a temperature constant box 1, a rainwater generation system 2 and a soil sample test cylinder 3, and the soil sample test cylinder 3 is arranged in the temperature constant box 1 , the rainwater generating system 2 is set above the soil sample testing cylinder 3 .

[0031] Control attached figure 1 , attached figure 2 And attached image 3 , the concrete structure of temperature constant box 1 is: described temperature constant box comprises box body 11, box cover 12 and base 13, and described box body 11 adopts heat-insulating material, makes double-layer hollow cylinder, box body 11 and box cover 12 is fixed by movable buckle, and base 13 is cylindrical.

[0032] The above-mentioned b...

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Abstract

The invention belongs to the technical field of unsaturated soil characteristic testing devices, and relates to a hot water gas migration testing device for rainwater infiltrating into unsaturated soil under temperature influence, the hot water gas migration testing device comprises a temperature constant box, a rainwater generating system and a soil sample testing cylinder, the soil sample testing cylinder is arranged in the temperature constant box, and the rainwater generating system is arranged above the soil sample testing cylinder; the rainwater generating system comprises a plurality ofindependently arranged rainfall structures, a plurality of groups of hot water gas test fixing positions are arranged in the soil sample testing cylinder at different depths, and a temperature sensor, a moisture sensor and an air pressure sensor are arranged in each hot water gas test fixing position. The testing device provided by the invention can be used for testing hot water gas migration rules and permeability characteristics in unsaturated soil under the conditions of different temperature environments and different rainfall intensities, is light and convenient in design, simple to operate and high in testing precision, and can provide an experimental device for analyzing the slope stability of the unsaturated soil infiltrated by rainfall in the temperature environment.

Description

technical field [0001] The invention belongs to the technical field of unsaturated soil characteristic test devices, and relates to a hot water gas migration test device for rainwater infiltration into unsaturated soil under the influence of temperature. Background technique [0002] The impact of the multi-physics environment on the stability of unsaturated soil slopes is mainly reflected in the interaction between continuous rainfall and ambient temperature. The superposition of these climatic conditions in summer and autumn often induces geological disasters such as collapses, landslides, and debris flows. Most of these geological disasters are landslides, and the main cause of landslides is rainfall infiltration, especially in high temperature seasons, when sudden and continuous rainfall causes slope disasters to be more serious. According to the data released by the China Meteorological Administration, the statistics show that the national monthly average rainfall is ma...

Claims

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Application Information

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IPC IPC(8): G01N33/24G01N15/08G01D21/02
CPCG01N33/24G01N15/0806G01D21/02
Inventor 刘子振
Owner TAIZHOU UNIV
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