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Rock porosity real-time test device under action of Chemosmosis and creep coupling

A technology of rock porosity and chemical infiltration, applied in the field of rock engineering, to achieve the effect of strong scalability, low cost and reasonable structure

Inactive Publication Date: 2010-08-18
INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] 3. When the gas expansion method is used to measure the porosity of rock samples, the sealing problem of rock samples

Method used

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  • Rock porosity real-time test device under action of Chemosmosis and creep coupling
  • Rock porosity real-time test device under action of Chemosmosis and creep coupling
  • Rock porosity real-time test device under action of Chemosmosis and creep coupling

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Experimental program
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Embodiment Construction

[0021] The present invention is described in further detail below in conjunction with accompanying drawing:

[0022] The real-time testing device for rock porosity under the coupling action of chemical infiltration and creep consists of a rock sample holder 1, an axial pressure loading device, a confining pressure loading device, a chemical osmotic pressure loading device and a porosity testing device.

[0023] The axial pressure loading device is composed of the second oil pump 37, the second reversing valve 4, the second supercharger 2, the axial pressure stabilizing device 3, etc. The axial pressure stabilizing device 3 is provided with a pressure gauge and a bladder accumulator, A second reversing valve 4, an axial pressure stabilizing device 3 and a second booster 2 are arranged between the second oil pump 37 and the rock sample holder 1, and the second oil pump 37 is connected to the second reversing valve 4 through the oil pipe The inlet joint is connected, and an outle...

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Abstract

The invention discloses a rock porosity real-time tester under chemical seepage and creep coupling, belonging to the rock engineering technical field, which is composed of a rock sample clamp, a chemical seepage pressure loading device, an axle pressure loading device, a surrounding pressure loading device and a porosity tester. The rock porosity real-time tester can real-timely test the porosityof a rock sample under constant pressure loading and chemical seepage coupling of three directions, having simple structure, flexible assembly, strong expandability, high stability and wide application. The rock porosity real-time tester has high application value for rock soil mass mechanical property and seepage character research under multi-field coupling condition of rock-soil engineering, hydraulic engineering, petroleum engineering, mining engineering and underground engineering and the like.

Description

technical field [0001] The invention relates to a real-time testing device for rock porosity under the coupling action of chemical penetration and creep, which is mainly used for real-time testing of rock porosity under the coupling action of different three-dimensional constant stress levels, different types of chemical solutions, and different osmotic pressures device. It belongs to the field of rock engineering. Background technique [0002] The research on the change of physical and mechanical properties of rocks in the process of chemical infiltration and creep coupling is a frontier topic in the field of international rock mechanics. How to quantitatively describe the effects of chemical infiltration and creep coupling on the deformation and failure process of rocks from the perspective of experiments has become a rock. It is a key scientific problem that urgently needs to be solved in mechanics and major engineering, and porosity is one of the main parameters reflect...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/08G01N33/24
Inventor 冯夏庭崔强刘继光薛强周辉申林方
Owner INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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