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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, which is applied in the field of rock engineering to achieve the effects of good sealing, expansibility, reasonable structure and strong expansibility

Inactive Publication Date: 2009-03-18
INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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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Embodiment Construction

[0023] The present invention is described in further detail below in conjunction with accompanying drawing:

[0024] 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.

[0025] The axial pressure loading device is composed of an oil pump 37, a reversing valve 4, a supercharger 2, and a voltage stabilizing device 3. The voltage stabilizing device 3 is provided with a pressure gauge and a bladder accumulator. A reversing valve 4, a pressure stabilizing device 3 and a supercharger 2 are arranged between them. The oil pump 37 is connected to the inlet joint of the reversing valve 4 through the oil pipe, and an outlet joint of the reversing valve 4 is connected to the inlet joint of the pressure stabilizing device 3 through the oil pipe. connection...

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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 porosity of 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 Applications(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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