System and method for conventional triaxial compression of rock sample containing pore channel under real-time high temperature condition

A conventional triaxial compression and tunnel technology, applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, instruments, etc., can solve problems such as difficulty in operation, and achieve the effect of simplifying the test procedure and saving the test cost.

Inactive Publication Date: 2018-08-17
CHINA UNIV OF MINING & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the difficulty in real-time high-temperature triaxial test operation, scholars mainly use rock samples subjected to high temperature to replace real-time high-temperature samples to complete conventional triaxial tests.

Method used

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  • System and method for conventional triaxial compression of rock sample containing pore channel under real-time high temperature condition
  • System and method for conventional triaxial compression of rock sample containing pore channel under real-time high temperature condition
  • System and method for conventional triaxial compression of rock sample containing pore channel under real-time high temperature condition

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings.

[0026] Such as figure 1 As shown, a conventional triaxial compression system for rock samples with pores under real-time high temperature conditions includes an upper indenter 1, a lower indenter 11, a rock sample with pores 3, a single-ended heating tube 7 and a temperature sensor 8.

[0027] The rock sample 3 containing pores is placed between the upper indenter 1 and the lower indenter 11, the upper indenter 1 is located at the upper end of the rock sample 3 with pores, and the lower indenter 11 is located at the lower end of the rock sample 3 with pores; the upper indenter 1 and the lower indenter Each head 11 is provided with a first sealing ring 2 .

[0028] Such as image 3 , the upper indenter 1 is provided with a wire hole 6, and the outer port of the wire hole 6 is provided with a sealing plug 5, the inner port of the wire hole 6 is located at the upper end...

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Abstract

The invention discloses a system and a method for the conventional triaxial compression of a rock sample containing a pore channel under a real-time high temperature condition. The system comprises anupper pressure head, a lower pressure head, a rock sample containing the pore channel, a single-end heating tube and a temperature sensor; the rock sample containing the pore channel is placed between the upper pressure head and the lower pressure head, the upper pressure head is located at the upper end of the rock sample containing the pore channel, and the lower pressure head is located at thelower end of the rock sample containing the pore channel; and the upper pressure head is provided with a wire passing hole, a sealing plug is arranged in the outer port of the wire passing hole, theinner port of the wire passing hole is located at the upper end of the pore channel of the rock sample containing the pore channel, the single-end heating tube and the temperature sensor are arrangedin the pore channel of the rock sample containing the pore channel, and are connected with a leading wire, and the leading wire is lead out of the wire passing hole and the sealing plug, and reaches the outside of the upper pressure head. The system and the method can complete the conventional triaxial test of the rock sample under the real-time high temperature condition without heating hydraulicoil, so the test process is simplified to a certain degree, and the test cost is saved.

Description

technical field [0001] The invention relates to the field of geothermal mining and nuclear waste disposal, in particular to the field of testing the mechanical behavior of rock samples under real-time high temperature under conventional triaxial compression conditions. Background technique [0002] Rocks are subjected to high temperature during geothermal mining, nuclear waste disposal and underground coal seam gasification. The action of high temperature will cause damage to the rock and change the mechanical behavior. Therefore, the study of the mechanical behavior of rock under the action of high temperature is very important to ensure the safety and stability of geothermal mining, nuclear waste disposal and other projects. However, due to the difficulty in the operation of real-time high-temperature triaxial tests, scholars mainly use rock samples after high-temperature exposure to replace real-time high-temperature samples to complete conventional triaxial tests. There...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/12
CPCG01N3/12G01N2203/0048G01N2203/0226G01N2203/0256
Inventor 杨圣奇田文岭滕尚永
Owner CHINA UNIV OF MINING & TECH
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