A test system considering the coupling action of thmc in rock joint shear process
A technology of shearing process and test system, which is applied in the field of geotechnical engineering, can solve the problems of inability to realize test and analysis, withstand high osmotic pressure, and withstand low osmotic pressure, etc., and achieve long-term loading test, good sealing, and convenient and accurate The effect of the analysis
Active Publication Date: 2019-04-05
SHAOXING UNIVERSITY
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Problems solved by technology
[0006] In order to overcome the deficiencies of the existing test equipment with low osmotic pressure, failure to consider the effect of temperature and chemical reaction, and inability to realize the test and analysis under the coupling of THMC, the present invention provides a high osmotic pressure that can effectively realize THMC Test system under coupled action and analysis considering THMC coupling action in rock joint shear process
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[0033] The present invention will be further described below in conjunction with the accompanying drawings.
[0034] refer to Figure 1 to Figure 5 , a test system considering the THMC coupling effect in the rock joint shearing process, including a main engine and a loading structure, a loading servo control system, a seepage shear box and a sealing device, a high and low temperature environmental test chamber and a seepage servo control system, the main engine And the loading structure includes a normal loading frame 2 and a horizontal loading frame 3 with independent loading capacity perpendicular to each other, the normal loading frame is a mechanism for loading a normal force to the specimen, and the horizontal loading frame is for A mechanism for loading a shear force on a specimen; the loading servo control system is used for a hydraulic loading servo control system for ordinary tests and a motor servo loading system for rheological tests;
[0035] The seepage shear box...
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A testing system considering the THMC coupling effect in a rock joint shearing process comprises a mainframe and loading structure, a loading servo control system, a seepage shearing box and sealing device, a high-low-temperature environment testing box and a seepage servo control system, wherein the mainframe and loading structure comprises a normal loading frame and a horizontal loading frame which are vertical to each other and have independent loading ability, and the loading servo control system includes a hydraulic loading servo control system for common tests and a motor servo loading system for rheological tests; the seepage shearing box and sealing device is located in the high-low-temperature environment testing box, and the action ends of the normal loading frame and the horizontal loading frame penetrate the high-low-temperature environment testing box to be abutted against the seepage shearing box and sealing device; the loading servo control system is respectively connected with the normal loading frame and the horizontal loading frame. The testing system is high in seepage pressure bearing capacity, and tests and analysis under the THMC coupling effect can be achieved effectively.
Description
technical field [0001] The invention belongs to the field of geotechnical engineering, relates to a test system under complex conditions, in particular to a multi-field coupling considering thermodynamics, hydraulics, mechanics and chemistry (Thermal-Hydrological-Mechanical-Chemical: THMC) in the shearing process Functional rock joint test system. Background technique [0002] Nuclear waste treatment, natural gas and CO 2 Large-scale rock mass projects such as underground storage, geothermal utilization, deep water conservancy and mining projects are usually built in jointed rock mass. The multi-field coupling characteristics of underground jointed rock mass under the action of high seepage pressure are the key factors that affect the safety of such underground projects. , has always been a basic issue and frontier hotspot in the field of rock mechanics, and the rock joint shear test system considering the coupling effect of THMC is an important means to reveal this basic s...
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IPC IPC(8): G01N3/24G01N15/08
CPCG01N3/24G01N15/0826
Inventor 李博夏才初杜时贵陈咭仟刘日成陈忠清钟振
Owner SHAOXING UNIVERSITY