Indoor experiment simulation device and method for geological fault mechanics behaviors of triaxial tester

A technology of experimental simulation and tester, applied in the field of geotechnical engineering

Pending Publication Date: 2019-08-16
SICHUAN UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is no effective method for experi

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  • Indoor experiment simulation device and method for geological fault mechanics behaviors of triaxial tester
  • Indoor experiment simulation device and method for geological fault mechanics behaviors of triaxial tester
  • Indoor experiment simulation device and method for geological fault mechanics behaviors of triaxial tester

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Embodiment Construction

[0040] combine Figure 1 to Figure 9 , an indoor experimental simulation device and method for a triaxial tester of the present invention to perform mechanical behavior of geological faults.

[0041] In order to achieve the above object, the solution adopted by the present invention is: an indoor experimental simulation device for a triaxial tester to perform geological fault mechanical behavior, including a support frame 4, three groups of oil cylinders are arranged on the support frame 4 and the axes of the oil cylinders are arranged orthogonally, The left cylinder 11 is coaxial with the right cylinder 12 and the cylinder rod is close to the center of the support frame 4, the upper cylinder 22 is coaxial with the lower cylinder 21 and the cylinder rod is close to the center of the support frame 4, the front cylinder 31 is coaxial with the rear cylinder 32 and the cylinder rod is close to the support rack 4 centers;

[0042] The cylinder rod end of the left oil cylinder 11 i...

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Abstract

The invention belongs to the technical field of geotechnical engineering, and particularly relates to an indoor experiment simulation device and method for geological fault mechanics behaviors of a triaxial tester. According to the indoor experiment simulation device for the geological fault mechanics behaviors of the triaxial tester, a guide groove is formed in a connecting pressing plate, so that water can be led into the surface of a sample; and when the triaxial tester applies pressures in three directions, different stresses can be generated in the three directions by the sample, and a stress state of the sample can be changed by adjusting the pressure in each direction. In an experiment process, the pressure applied to water on the surface of the sample in the guide groove can be adjusted, so that a nature state can be simulated. According to the experiment method disclosed by the invention, a three-direction unequal stress environment can be realized by three groups of pressureheads of the triaxial tester, and a seepage field under a real condition is simulated through the guide groove in the connecting pressing plate, so that indoor experiment simulation of a stress-seepage environment where a real fault is located can be realized.

Description

technical field [0001] The invention belongs to the technical field of geotechnical engineering, in particular to an indoor experimental simulation device and method for a triaxial tester to perform geological fault mechanical behavior. Background technique [0002] For underground rock engineering such as mineral resource exploitation and petroleum shale gas exploitation, due to the influence of fault tectonic movement, problems such as the development of joints and fissures, rock mass weathering, and groundwater development will occur near the fault surface. The underground rock mass will be fractured and destroyed under the action of horizontal tectonic stress, and the rock mass on both sides will have obvious dislocation along the fracture surface. This fracture surface is usually called the rock mass fault structure, and it is often accompanied by The development of joint fissures and the influence of groundwater seepage, and the stress environment of the fault is a thr...

Claims

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Application Information

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IPC IPC(8): G01N3/12G01N1/28
CPCG01N1/286G01N3/12G01N2001/2873G01N2203/0048G01N2203/0067G01N2203/0226G01N2203/0256
Inventor 张泽天吴世勇张茹周济芳高明忠任利杜成波覃黎刘洋张朝鹏艾婷谢晶
Owner SICHUAN UNIV
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