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A Test Method for Obtaining Hydrogeological Parameters

A test method, hydrogeological technology, applied in the test field of obtaining hydrogeological parameters, can solve the problem of low accuracy and achieve the effect of improving accuracy

Active Publication Date: 2022-06-21
核工业西南勘察设计研究院有限公司
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  • Abstract
  • Description
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Problems solved by technology

[0004] Aiming at the above-mentioned problems in the prior art, the present invention provides a test method for obtaining hydrogeological parameters, which solves the problem of low accuracy of methods for obtaining hydrogeological parameters in the prior art

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  • A Test Method for Obtaining Hydrogeological Parameters
  • A Test Method for Obtaining Hydrogeological Parameters
  • A Test Method for Obtaining Hydrogeological Parameters

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Embodiment Construction

[0018] The specific embodiments of the present invention are described below to facilitate those skilled in the art to understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Such changes are obvious within the spirit and scope of the present invention as defined and determined by the appended claims, and all inventions and creations utilizing the inventive concept are within the scope of protection.

[0019] The test method for obtaining hydrogeological parameters includes:

[0020] S1, use ground penetrating radar to detect the area to be measured, calculate the relative dielectric constant of the medium through the wave speed of the ground penetrating radar, and then calculate the volume water content and unsaturated zone porosity of the medium according to the different dielectric constants of different media.

[0021] The ...

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Abstract

The invention provides a test method for obtaining hydrogeological parameters, which includes using ground penetrating radar to detect the area to be measured, and obtaining the volume water content and porosity of the unsaturated zone of the area to be tested; dividing the area to be tested into Several sampling areas, soil sampling in each sampling area to obtain columnar soil samples; the columnar soil samples were placed in the test cylinder for infiltration tests at different water temperatures to obtain the test permeability coefficient; according to the porosity of the unsaturated zone obtained by the Kozeny-Carman formula Estimated permeability coefficient, if the experimental permeability coefficient / estimated permeability coefficient = 0.9 ~ 1.1, the experimental permeability coefficient is adopted, otherwise, the experimental permeability coefficient in this test is discarded. The problem of low accuracy of the method for obtaining hydrogeological parameters in the prior art is solved.

Description

technical field [0001] The invention relates to the technical field of engineering geological survey, in particular to a test method for obtaining hydrogeological parameters. Background technique [0002] In nature, the phenomenon of irregular change and movement of groundwater is called hydrogeology. The hydrogeological conditions are relatively complex. Many engineering projects do not thoroughly study the hydrogeological conditions of the area during the survey process, and in the subsequent design stage The hydrogeological problems are ignored, resulting in frequent occurrence of a series of geotechnical hazards caused by groundwater, which not only greatly damages the reputation of the survey company, but also brings great economic losses to the society. Therefore, in the actual exploration process, it is of great practical significance to strengthen the research on hydrogeological problems. [0003] In the prior art, the hydrogeological parameters are usually obtained...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/08G01N27/22G01N33/24
CPCG01N15/0826G01N15/0893G01N27/221G01N33/24G01N33/246
Inventor 董云于丰泽冯瑞王首智陶瑜黄方泉
Owner 核工业西南勘察设计研究院有限公司
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