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Rough cross crack seepage testing device and method

A technology of intersecting cracks and test devices, which is applied in the field of seepage test devices and rough cross cracks seepage test devices, can solve the problems of harsh test conditions, less research on cross cracks, and less experimental research, and achieve the adjustable crossing angle of cracks and solve the problems. The sealing effect is not good, the effect of enhancing the sealing performance

Active Publication Date: 2017-01-04
SHANDONG UNIV
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Problems solved by technology

[0004] At present, the research on seepage in rock fractures is mainly concentrated on a single fracture, and there are few studies on intersecting fractures, especially experimental research.
Analyzing the reasons, the main reason is that the test conditions are relatively harsh, it is impossible to obtain a suitable cross-crack model, and it is difficult to control the flow rate of the fluid and the size of the crack width, etc.
Therefore, the seepage mechanism of intersecting fractures cannot be obtained

Method used

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  • Rough cross crack seepage testing device and method
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  • Rough cross crack seepage testing device and method

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Embodiment Construction

[0045] The present invention will be further described below in conjunction with the accompanying drawings of the description.

[0046] The technical problem to be solved by the present invention is to provide a rough intersecting fissure seepage test device with simple structure, convenient disassembly and assembly, easy manufacture, safety, reliability and strong practicability, which can not only accurately and conveniently reflect the seepage process of water in rough intersecting fissures of rock mass , and water circulation, cost-effective, and more importantly, the water inlet of the cracks can be adjusted, which can realize the experimental scheme of one in and multiple out, multiple in and one out, and multiple in and multiple out, and can adjust the water pressure and crack structure arbitrarily .

[0047] The rough cross fissure seepage test device of the present invention comprises a cross fissure model, the interior of the cross fissure model is a cross fissure st...

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Abstract

The invention discloses a rough cross crack seepage testing device and method. The rough cross crack seepage testing device comprises a cross crack model, the interior of the cross crack model is of a crossed crack structure, dewatering areas and water gathering areas are arranged on the two sides of the crack structure, the dewatering areas are communicated with water inlets respectively, the water gathering areas are communicated with water outlets respectively, and the water inlets and the water outlets located on the same side of the cross crack model are connected with the same water tank and form a circulation loop; by means of the two circulation loops, crack seepage of one-way entering and multi-way exiting, multi-way entering and one-way exiting and multi-way entering and multi-way exiting is achieved; besides, pressure measuring holes communicated with the crack structure are further formed in the crack structure, and water pressure sensors for measuring fluid pressure are arranged in the pressure measuring holes.

Description

technical field [0001] The invention relates to a seepage test device, in particular to a rough intersecting crack seepage test device and method, and belongs to the technical field of civil engineering. Background technique [0002] In recent years, with the construction of a large number of large-scale projects such as energy mining, nuclear waste treatment, water conservancy projects, and utilization of underground space, the problem of seepage in rock fractures has attracted widespread attention. With the development of economy and society, human beings have more and more demand for underground space. However, in the process of excavation and operation, disasters such as water and mud inrush often occur, and the problem of seepage in fractured media still needs to be solved urgently. [0003] A large number of fractures exist in natural rock mass, which seriously affects the seepage characteristics of rock mass. The size and connectivity of pores in fractured rock mass a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/08
CPCG01N15/0826
Inventor 王者超张振杰乔丽苹毕丽平许振浩方水鑫
Owner SHANDONG UNIV
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