Shear slip test device for testing mechanical properties of high-temperature fractured rock mass

By designing a shear slip test device integrating shear testing platform, temperature control module, cyclic cooling system, acoustic wave emission system and data acquisition system, the shortcomings of existing equipment in high-temperature and hot-heat cycle simulation are solved, and comprehensive testing of high-temperature cracked rock mass is achieved, improving the accuracy and comprehensiveness of the test.

CN120232746APending Publication Date: 2025-07-01CHINA UNIV OF MINING & TECH
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Patent Information

Application Number
CN202510383796.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2025-07-01

AI Technical Summary

Technical Problem

The existing direct shear test equipment has shortcomings in high temperature environment and hot and cold cycle simulation, low loading accuracy, and cannot fully monitor the multi-field coupling effect of rock mass during shearing.

Method used

A shear slip test device for mechanical performance testing of high-temperature cracked rocks was designed, and a shear test platform, temperature control module, circulating cooling system, acoustic wave emission system and data acquisition system were integrated to realize comprehensive testing under multi-field coupling conditions of high-temperature cracked rocks.

Benefits of technology

The device can accurately simulate a multi-field coupling environment of high temperature, mechanics, seepage, improve loading accuracy, realize comprehensive monitoring of internal changes of rock mass, support hot and cold cycle tests, and provide more accurate and comprehensive geological mechanical performance testing methods.

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Abstract

The invention belongs to the field of rock-soil mechanical test equipment, and particularly discloses a shear slip test device for testing mechanical properties of high-temperature fractured rock mass, which comprises a shear test platform, a shear test box, a sound wave emission system, and a temperature control module and a circulating cooling system integrated in the shear test box. The shear test platform realizes independent control of normal force and shear force through a first loading block and a second loading block; the temperature control module and the circulating cooling system can simulate a high-temperature environment and perform a cold and hot cycle test; the acoustic emission system is used for monitoring acoustic emission signals in the rock sample in real time. The device can accurately simulate a high-temperature and cold-hot cycle environment, has high-precision mechanical loading capacity and a multi-parameter monitoring function, provides an effective experimental means for researching the mechanical property and damage mechanism of a high-temperature fractured rock mass, and can be widely applied to the research fields of deep geothermal resource development and enhanced geothermal systems.
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