Penetrating jointed rock mass hydraulic fracturing extension destruction device and test method
A jointed rock mass and hydraulic fracturing technology, which is applied in the direction of measuring devices, using stable tension/pressure testing material strength, instruments, etc., can solve the problem of poor hydraulic pressure monitoring accuracy, the existence of test pieces, and the inability to adapt to test pieces Specifications and other issues, to achieve the effect of convenient operation of the device, ensuring the accuracy of water pressure, and increasing practical performance
Pending Publication Date: 2022-01-21
CHINA RAILWAY 14TH BUREAU GRP 1ST ENG CO LTD +1
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The invention relates to a rock mechanics test device, in particular to a through jointed rock mass hydraulic fracturing extension destruction device which comprises a sealing clamp and a water injection device for providing set water pressure for the sealing clamp, and a water pressure monitoring sensor is arranged at a water outlet of the water injection device; the sealing clamp comprises a support, the support comprises two symmetrically-arranged rectangular frames and a bolt rod connecting the two rectangular frames, each rectangular frame comprises a vertical supporting column and a longitudinal supporting column, and the vertical supporting columns and the longitudinal supporting columns are telescopic. A flat plate is arranged on the vertical supporting columns and the longitudinal supporting columns of the rectangular frame on each side, a space for placing a jointed rock mass test piece is formed between the flat plates on the two sides, a water injection port is formed in one flat plate, and an exhaust water outlet is formed in the other flat plate. The technical scheme disclosed by the invention can be suitable for test pieces with different sizes, and ensures that no air exists in the test pieces during the test.
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