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Soil hot-wet coupling carrying model trial device

A model test device and soil heating technology, applied in the field of soil physics, can solve the problems of sample disturbance, uncontrollable groundwater level, etc., and achieve the effect of reasonable physical simulation conditions

Inactive Publication Date: 2010-05-19
INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many deficiencies in this instrument, such as the control of boundary conditions is very simple, the groundwater level cannot be controlled, it is only suitable for unsaturated soil, and the measurement of water content has a certain disturbance to the sample.

Method used

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  • Soil hot-wet coupling carrying model trial device
  • Soil hot-wet coupling carrying model trial device
  • Soil hot-wet coupling carrying model trial device

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] The present invention will be described in further detail below according to accompanying drawing:

[0029] according to figure 1 and figure 2It can be seen that the soil heat-moisture coupled migration model test device consists of a heating rod 1, a cable 2, a DC power supply 3, a soil sample box 4, a constant temperature circulating water tank 5, a water inlet valve 6, a return valve 7, and a porous permeable plate 8. Exhaust valve 9, water valve 10, water pipe 11, Martens bottle 12, temperature measuring probe 13, moisture testing probe 14, circulating water pipe 15, water pump 16, constant temperature water tank 17, steel baffle 18, foam plastic plate 19 , circulating water connecting pipe 20, soil sample 21, pure water 22, and constant temperature circulating water 23 constitute.

[0030] It is characterized by:

[0031] The soil sample box 4 is a rectangular box made of a steel plate. The soil sample box 4 is made of a steel plate. It is roughly a rectangula...

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PUM

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Abstract

The invention discloses a thermohydrocoupling migration model testing device, which comprises the following parts: heating rod, soil sample box, thermostatic circulating tank, porous permeable board,martensitic bottle, thermometric probe, water testing probe, foam plastic board, wherein the porous permeable board is set on the bottom of the soil sample box, which is welded with four walls of soilsample box; the valve and vent valve are set on two sides opposite to the lower face of porous permeable board and soil sample box; the valve connects martensitic bottle through pipe; the temperature-testing element is set in the inner wall of the heating rod; a steel baffle is set at two sides of the front and back of soil sample box separately; the bottom, left and right sides of steel baffle is welded with inner sides of soil sample box and lateral board; the foam plastic board is cushioned on the inner side of steel baffle. The invention has reasonable structure, simple and convenient operation, which realizes heat and wet transmission of soil.

Description

technical field [0001] The invention relates to the field of soil physics, and more specifically relates to a soil heat-moisture coupled migration model test device, which is suitable for soil heat-moisture coupled migration model tests. Background technique [0002] The temperature gradient can cause the migration of water in the soil and further change the properties of the soil. Therefore, the flow of heat and water in the soil has become an important factor that must be considered in many engineering construction problems. Optimum design of underground direct buried high-voltage cable laying and backfilling, selection of buffer backfilling materials for underground storage of high-level radioactive nuclear waste, underground storage of heat energy, effects of climate change on deformation and stability of certain soil slopes or foundations, etc. The problems all involve the migration of heat and moisture in the atmosphere. On the one hand, the solution to the above prob...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/00
Inventor 陈善雄
Owner INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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