Rainfall infiltration demonstration device and method for laterally adjacent anisotropic unsaturated soil

A demonstration device and a horizontal technology, applied in the field of unsaturated soil mechanics, can solve the problems that the unsaturated soil seepage test device cannot directly observe the seepage path and quantitatively measure the water seepage of the unsaturated soil at the same time, so as to achieve a simple structure of the device and easy to use convenient effect

Pending Publication Date: 2018-11-13
EAST CHINA UNIV OF TECH
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Problems solved by technology

[0006] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a laterally adjacent heterogeneous unsaturated soil rainfall infiltration demonstration device and method, aiming at solving the problem that the existing unsaturated soil infiltration test device cannot realize direct observation of seepage path and quantitative measurement at the same time. Problems in Determination of Water Seepage in Unsaturated Soil

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  • Rainfall infiltration demonstration device and method for laterally adjacent anisotropic unsaturated soil
  • Rainfall infiltration demonstration device and method for laterally adjacent anisotropic unsaturated soil
  • Rainfall infiltration demonstration device and method for laterally adjacent anisotropic unsaturated soil

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[0027] The present invention provides a laterally adjacent heterogeneous unsaturated soil rainfall infiltration demonstration device and method. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0028] see figure 1 , figure 1 A laterally adjacent special-shaped unsaturated soil rainfall infiltration demonstration device provided for the present invention, as shown in the figure, the device includes an adjustable rainfall simulation structure (not shown) for providing different intensities of rainfall, for A loading box 10 for loading soil samples and a rainwater collection and measurement structure (not shown) communicated with the loading box through pipes. The loading box 10 is provided with detachable ...

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Abstract

The invention discloses a rainfall infiltration demonstration device and method for laterally adjacent anisotropic unsaturated soil. The device comprises an adjustable rainfall simulation structure for providing rainfall of different intensities, a loading box for loading soil samples and a rainwater collection and measurement structure communicated with the loading box through a pipeline; a detachable partition plate for lateral loading of the soil samples with different permeability properties is arranged in the loading box. The device disclosed by the invention is simple in structure and convenient to use; through the device, not only can an infiltration path of rainwater inside the unsaturated soil be clearly observed, but also the water infiltration amount of the unsaturated soil canbe quantitatively determined.

Description

technical field [0001] The invention relates to the application field of unsaturated soil mechanics, in particular to a device and method for demonstrating rainfall infiltration of laterally adjacent heterogeneous unsaturated soil. Background technique [0002] Most of the various soils encountered in engineering practice are unsaturated soils, and the changes in deformation and strength of unsaturated soils caused by precipitation are obviously different from those of saturated soils, which has been confirmed by experience and theory. Under the condition of relatively constant temperature field, the seepage field of unsaturated soil is also affected by many factors such as stress field and air-water migration. The pore water pressure inside the rock and soil mass will change due to the migration of water during the rainwater infiltration process, which is manifested as the decrease of soil matrix suction in the unsaturated soil; high. The parameter used to characterize th...

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Application Information

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IPC IPC(8): G01N15/08G09B23/00
CPCG09B23/00G01N15/0826
Inventor 薛凯喜胡艳香梁炯丰李明东王升福杨泽平梁海安多会会李炀
Owner EAST CHINA UNIV OF TECH
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