Testing device for simulating buried depth and adjustment of underground water level of soil

Abstract

The invention relates to a testing device for simulating the buried depth and the adjustment of the underground water level of soil. The testing device is characterized in that the periphery and the bottom of a pit are paved by plastic cloth, and the edge of the plastic cloth is exposed outside the ground surface; the plastic cloth is filled with the soil parallel and level to the ground surface; plastic pipes are vertically placed in the soil, the plane of the bottom end of each plastic pipe is positioned under the underground horizontal plane, and the top end of each plastic pipe is higher than the ground surface; a plurality of bamboo battens are bundled at the outer sides of the bottoms of the plastic pipes by a steel wire, and round woods are bundled in the bottom ends of the bamboo battens; the bamboo battens are externally wrapped by nylon meshes and are fixed by steel wires; underground water-level measuring rods are inserted in the plastic pipes. The testing device has the advantages that the buried depth of the underground water level can be accurately changed, and the underground water level is increased or decreased so as to meet different requirements of tests; after the underground water level is changed, the change of the underground water level in the related test process also can be observed synchronously, and the buried depth of the underground water level can be adjusted in time; the cost is low, the manufacture is convenient, the performance is good and the long-term measurement can be achieved.

Description

technical field [0001] The invention relates to a test device capable of simulating buried depth and adjustment of groundwater levels, in particular a test device capable of simulating corresponding groundwater levels according to test requirements to compare the influence of different buried depths of groundwater levels on related test processes. Background technique [0002] In many experiments involving soil, especially related to soil water use, distribution, nutrient cycle, soil microbial activity, soil biological enzyme activity, etc., the buried depth of soil groundwater table is one of the key influencing factors. The attack of groundwater on upper soil moisture is mainly realized through the rise of capillary water and gaseous water. Different soil textures and different soil temperature gradients affect the above water supply process at the same time. In the previous experimental design, many researchers have used different groundwater depths in the test area to se...

AI Technical Summary

Problems solved by technology

In the previous experimental design, many researchers have used different groundwater depths in the test area to set up relevant experimental research, which requires a large research area to provide a variety of different groundwater depths, which will undoubtedly Consume more manpower and material resources

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