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A rock true triaxial test system and method integrating micro-CT online scanning

A true triaxial, rock sample technology, applied in the field of rock true triaxial test system combined with micro CT online scanning

Active Publication Date: 2021-10-22
NORTHEASTERN UNIV LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing CT scanning systems for rock samples scan and analyze the crack patterns and failure laws after the rock test is completed and taken out of the loading chamber.

Method used

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  • A rock true triaxial test system and method integrating micro-CT online scanning
  • A rock true triaxial test system and method integrating micro-CT online scanning
  • A rock true triaxial test system and method integrating micro-CT online scanning

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Embodiment Construction

[0036] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0037] Such as Figure 1-8 As shown, a rock true triaxial test system that integrates micro-CT online scanning includes a true triaxial tester 1, an automatic turntable 2, a CT ray source 3, a CT detector 4, a control cabinet 5 and a console 6; The true triaxial tester 1 is set on the automatic turntable 2, the true triaxial tester 1 is located between the CT ray source 3 and the CT detector 4, and the true triaxial tester 1 is connected to the control cabinet 5 through the gas-liquid pipeline 7. The console 6 is electrically connected to the control cabinet 5; the control cabinet 5 is used to control the loading and unloading action of the true triaxial tester 1; the console 6 is used to send control to the true triaxial tester 1 and the automatic turntable 2 Instructions, and used for storing and processing CT scan data and images pr...

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Abstract

A rock true triaxial test system and method integrated with micro CT online scanning, the system includes a true triaxial tester, an automatic turntable, a CT ray source, a CT detector, a control cabinet and a console; the true triaxial tester is set in an automatic On the turntable, the true triaxial tester is located between the CT ray source and the CT detector. The true triaxial tester is connected to the control cabinet through the gas-liquid pipeline, and the console is electrically connected to the control cabinet. The method is: encapsulate the rock sample and send it into the true triaxial tester, adjust the position of the CT ray source and the CT detector, turn on the power of each device, apply confining pressure and axial load and start heating, and start the automatic turntable to make the true triaxial tester. The axial tester rotates, and the rock sample at the center of the true triaxial tester is scanned in real time through the CT ray source and CT detector, and the scanning data is recorded and stored; the true triaxial tester turns off after setting the angle. The turntable; the true triaxial tester is reset, the confining pressure and axial load are unloaded and the heating is turned off, and the image is reconstructed according to the scanned data.

Description

technical field [0001] The invention belongs to the technical field of rock mechanics and engineering, and in particular relates to a rock true triaxial test system and method combined with micro CT online scanning. Background technique [0002] In the field of rock mechanics, the mechanical test of rock samples occupies an extremely important position and plays an indispensable role in the research of rock mechanics. There are many test methods in the field of rock mechanics, including uniaxial test, conventional triaxial test and true triaxial test, and true triaxial test is an important way to explore the mechanical properties of rock, which plays an irreplaceable role in the field of rock mechanics . [0003] In the true triaxial test, the rock sample is in a closed true triaxial testing machine, and the state of the rock sample under a certain stress condition cannot be observed and analyzed in real time, and its failure mode or crack state can only be analyzed after t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/18G01N3/02
CPCG01N3/18G01N3/02G01N2203/0003G01N2203/0019G01N2203/0048G01N2203/0062G01N2203/0226G01N2203/0232G01N2203/0256G01N2203/0641
Inventor 刘造保王凯旋王川冯夏庭沈挽青邵建富
Owner NORTHEASTERN UNIV LIAONING