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Soil saturation experiment and permeation experiment compound device

An experimental device and technology of penetration test, applied in the field of geotechnical testing, can solve the problems of high cost and poor popularity, and achieve the effect of strong applicability, simple operation, saving human resources and time cost

Inactive Publication Date: 2016-12-14
WUHAN UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a composite device for soil saturation experiment and infiltration experiment, which solves the problems of high cost and poor popularity of the prior art

Method used

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  • Soil saturation experiment and permeation experiment compound device
  • Soil saturation experiment and permeation experiment compound device

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Embodiment Construction

[0017] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0018] Such as figure 1 As shown, a pressure-adjustable compound device for soil saturation experiment and infiltration experiment mainly includes two parts: soil saturation experiment device 2 and soil infiltration experiment device 3, and a transparent pipe 4 connected to both parts, and connects the two parts What is the transparent pipe 4 and the connecting pipe 5 with double scales, the scale one in the double scale is used for the water head value reading required by the soil saturation test device 2, and the scale two in the double scale is used for the water head of the soil infiltration test device 3 value reading, the upper end of the transparent pipe 4 can be connected to a gas pressurizing device 1 with a readable air pressure value, and the whole composite device is supported by a bottom support 6.

[0019] The second part of the soil saturation test de...

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Abstract

The invention discloses a soil saturation experiment and permeation experiment compound device. The device mainly comprises a soil saturation experiment device and a soil permeation experiment device. The soil saturation experiment device and the soil permeation experiment device are connected through a transparent pipeline with double scales and a connecting pipeline. The upper end of the transparent pipeline can be connected with a gas pressurizing device with air pressure value reading function, and the whole compound device is supported by a bottom support. The device is a simple experiment device integrating a soil saturation experiment and a soil permeation experiment uniquely in the prior art, the device can be made of organic glass or stainless steel, rubber and other low cost materials, operability of a soil sample determination experiment is promoted on the whole, for the determination experiment with the large soil sample class number, labor resources are saved, the utilization efficiency of the device and time is improved, the gas pressurizing device is used for determination of ordinary soil sample parameters and especially can be used for soil sample parameter determination with high clay content and dense soil particle arrangement, the experiment time can be greatly shortened, and the time cost is reduced.

Description

technical field [0001] The invention relates to the technical field of geotechnical tests, in particular to a composite device for soil saturation experiments and infiltration experiments. Background technique [0002] In many fields such as soil physical properties, agricultural water conservancy engineering and hydrogeology, it is necessary to understand and master the movement law of soil moisture. Soil saturated moisture content and soil permeability coefficient are two basic parameters to master the law of soil water movement. For the soil with a low clay content, it is not necessary to soak the soil under high water pressure during the soil soaking stage of the soil saturation experiment. It is only necessary to ensure that the water level is slightly lower than the upper port of the ring knife. Generally, it can be saturated in about 24 hours; Similarly, too much pressure is not required in normal pressure or variable pressure permeability coefficient experiments. Ho...

Claims

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Application Information

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IPC IPC(8): G01N33/24
CPCG01N33/24
Inventor 吴迪崔远来汪文超李增焕罗玉峰
Owner WUHAN UNIV
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