An experimental device and experimental method for rock shear crack extension under high temperature conditions

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By designing an experimental device including support frame, constant temperature structure, shear structure, data acquisition structure and control structure, the problem of the existing technology being difficult to conduct rock shear tests under constant high temperature conditions is solved, and the function of recording crack propagation laws is realized in real time, which improves the reliability and scientificity of the experiment.

CN112414874BActive Publication Date: 2025-03-28GUIZHOU UNIV

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Patent Information

Application Number: CN202010696812.X
Authority / Receiving Office: CN · China
Patent Type: Patents(China)
Current Assignee / Owner
Filing Date: 2020-07-20
Publication Date: 2025-03-28
Estimated Expiration: 2040-07-20

Application Information

Patent Timeline

20 Jul 2020

Application

CN202010696812.X

28 Mar 2025

Publication

CN112414874B

IPC: G01N3/36; G01N3/02

CPC: G01N3/36; G01N3/02; G01N2203/0025; G01N2203/0048; G01N2203/0066; G01N2203/0226; G01N2203/0647; G01N2203/0005

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Application Domain

Material strength using repeated/pulsating forces

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AI Technical Summary

Technical Problem

The prior art is difficult to conduct rock shear tests under constant high temperature conditions, and it is impossible to record the expansion rules of rock shear cracks in real time.

Method used

An experimental device including a support frame, a constant temperature structure, a shear structure, a data acquisition structure and a control structure was designed to perform rock shear tests under constant high temperature conditions and record the crack propagation process in real time through a high-speed camera.

Benefits of technology

It realizes rock shear test under constant high temperature conditions, and can record the expansion rules of rock shear cracks in real time, improving the reliability and scientificity of the experiment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to an experimental device and an experimental method for rock shear crack extension under high temperature conditions. The experimental device comprises a support frame, a constant temperature structure, a shear structure, a data acquisition structure and a control structure; the constant temperature structure is arranged in the support frame to provide a constant temperature condition for a rock specimen, the shear structure is used to pressurize and shear the rock specimen, the control structure is used to send a control instruction to the shear structure to control the working process of the shear structure, and the data acquisition structure is used to collect the temperature, pressure and displacement of the entire shear process. The experimental device solves the technical problem that the prior art cannot shear rocks under constant high temperature conditions, and has a simple structure and a high degree of automation.

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