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Experimental device and method for obtaining rock fracture distribution and hydraulic parameters

A technology for rock fissures and experimental devices, which is applied in measurement devices, scientific instruments, analytical materials, etc., can solve problems such as insufficient air tightness control and stability, imperfection, and influence of experimental results, and achieves simple structure, convenient operation, and air-conditioning. Good tightness and stability

Active Publication Date: 2020-07-03
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the inventor found that the current pneumatic tomography experimental device is not perfect, and a mature experimental system has not yet been formed, and the lack of airtight control and stability will have a certain impact on the experimental results

Method used

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  • Experimental device and method for obtaining rock fracture distribution and hydraulic parameters
  • Experimental device and method for obtaining rock fracture distribution and hydraulic parameters
  • Experimental device and method for obtaining rock fracture distribution and hydraulic parameters

Examples

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Embodiment 2

[0054] This embodiment discloses a method for obtaining the experimental device for rock fissure distribution and hydraulic parameters described in Embodiment 1, including the following steps:

[0055] Step 1: Wrap the outer surface of the sample with a sealing film, place it in the sample case, place it on the bottom plate, place the bottom plate on the platform in advance, and press the sealing film on the outer surface of the sample against the sample case Rotate the compression bolt on the outer surface of the sample, and use the top plate and the bottom plate to compress the sealing film on the upper and lower sides of the sample to the upper and lower sides of the sample respectively.

[0056] In this example, the sample is taken from the natural environment. Its geometric shape is cylindrical, its surface is relatively smooth, and there is no obvious loss. The sample has a network of cracks inside, rather than several single cracks that are not connected to each other. B...

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Abstract

The invention relates to an experimental device and method for obtaining rock fracture distribution and hydraulic parameters. The device comprises a sample shell, a sealing film, a top plate and a bottom plate, wherein the sample shell is disposed at the periphery of a sample, and is provided with a plurality of gas joints which can be connected and blocked; the sealing film is used for wrapping the outer surface of the sample, the sealing film on the outer side surface of the sample can tightly press the outer side surface of the sample under the action of the sample shell, and through holesmatched with the gas joints are formed in the sealing film on the outer side surface of the sample; and the top plate and the bottom plate are used for making contact with the sealing film on the topsurface and the bottom surface of the sample and can press the sealing film and the top surface and the bottom surface of the sample through a pressing mechanism. The experimental device is good in air tightness and stability and accurate in measurement result.

Description

technical field [0001] The invention relates to the technical field of fissure rock mass experimental equipment, in particular to an experimental device and method for obtaining rock fissure distribution and hydraulic parameters. Background technique [0002] The statements herein merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] In some geoscience applications, such as water supply engineering, pollutant transport, radioactive waste disposal, geothermal energy utilization and numerous geotechnical engineering examples, the modeling and characterization of flow and transport processes in fractured rock masses has attracted more and more s concern. However, due to the large difference in the flow and transport parameters of the fractured rock mass between the fracture and the rock matrix, the complex geometry of the fracture network, and some problems caused by the experimental scale, it is difficult ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/24G01N15/08
CPCG01N15/082G01N33/24
Inventor 刘正达毛德强孟健王亚洵夏腾赵瑞珏胡开友宋瑞超
Owner SHANDONG UNIV
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