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Effective porosity tester for undisturbed soil

An effective porosity and measuring instrument technology, which is applied in instruments, measuring devices, scientific instruments, etc., can solve the problem of lack of effective porosity measuring instruments for loose rock and soil, and achieve the effect of ensuring effectiveness

Inactive Publication Date: 2016-11-16
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In summary, the current effective porosity measuring devices can only measure low-permeability rocks and fluffy materials such as wine tank unstrained spirits, and there is a lack of an effective porosity measuring instrument that can measure loose rock and soil

Method used

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  • Effective porosity tester for undisturbed soil
  • Effective porosity tester for undisturbed soil
  • Effective porosity tester for undisturbed soil

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Embodiment Construction

[0031] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments, and the content of the present invention is not limited to the following embodiments.

[0032] The undisturbed soil effective porosity measuring instrument provided by the invention has a structure such as figure 1 As shown, it includes a water supply unit, a seepage unit, a liquid equalization unit and a detection unit, and the water supply unit communicates with the seepage unit through the liquid equalization unit;

[0033] The water supply unit includes a water supply tank 3 and a water head adjustment assembly, the water supply tank is fixed on the water head adjustment assembly, the water supply tank is made of 3mm thick plexiglass plates, and the specification is 22cm*20cm*10cm. There is a partition plate 14, and the water supply tank is divided into two identical inner chambers by the partition board, and the overflow board 13 lower than the hei...

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Abstract

The invention relates to an effective porosity tester for undisturbed soil. The effective porosity tester comprises a water supply tank, a water head regulation component, a seepage unit, a liquid equal-division unit and a detection unit, wherein a water supply unit is communicated with the seepage unit through the liquid equal-division unit. According to the effective porosity tester for the undisturbed soil, the effective porosity of rock soil can be tested, the effective porosity of an undisturbed soil test sample can be obtained by a solute replacement method, and the seepage unit can be used for sampling the undisturbed soil test sample; the effective porosity tester for the undisturbed soil is simple in structure, higher in effective porosity testing accuracy and good in application potential, and can be used for helping a student to understand a difference between the effective porosity and overall porosity as a teaching apparatus in a laboratory in hydrogeological researches, and a testing process is convenient; during practical production, the effective porosity tester for the undisturbed soil can be used for testing the effective porosity of the test sample, and a parameter testing experimental device is provided for further researches such as seawater infiltration, leakage recharge, submerged transport and in-situ groundwater remediation on solute transport.

Description

technical field [0001] The invention relates to a rock and soil parameter measuring instrument, in particular to an undisturbed soil effective porosity measuring instrument, which belongs to the technical field of hydrogeological experiment devices. Background technique [0002] Groundwater retention, The groundwater retention, release, and transport capabilities are mainly affected by the effective porosity of rock and soil. Therefore, the effective porosity not only directly affects the accuracy of calculation and research results, but also affects other hydrogeological parameters. Make forecast estimates. With the continuous development and utilization of groundwater resources, people began to explore the quantitative relationship between effective porosity and groundwater migration rate. [0003] The effective porosity of rock and soil is the ratio of the pore volume where gravity water flows (excluding the space occupied by disconnected dead pores and immobile bound w...

Claims

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Application Information

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IPC IPC(8): G01N15/08
CPCG01N15/088
Inventor 马传明高林和泽康张程贻魏超李涛曾圆梦黄盛财舒淑贞曹策
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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