Preparation device of indoor single-cracked rock specimen
A technology for preparing devices and rock samples, applied in the field of geotechnical engineering, can solve the problems of difficulty in precise control of concentricity, parallelism and thickness of bonding layer, inability to accurately simulate the actual situation on site, and restricting the design basis for carrying out mechanical tests. The effect of strong practicability, reasonable structure and easy manufacture
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[0014] The present invention will be further described below in conjunction with the accompanying drawings.
[0015] See accompanying drawing, a kind of indoor single fracture rock sample preparation device is made of base 12, movable upper seat 4, lower rock core fixing collar 6, upper rock core fixing collar 5, threaded main shaft 9, adjusting nut 8, first solid Tight nut 2 constitutes. One end of the base 12 is provided with a through groove 11 that runs through the upper and lower surfaces, the lower end of the threaded main shaft 9 is connected with a fixed cap, the upper end of the threaded main shaft 9 passes through the through groove 11, and is fixed on the top of the base 12 by the second fastening nut 10, which can be passed through Adjust the position of the threaded main shaft 9 and the through groove 11 to adjust the left and right movement of the upper rock core fixing collar 5 . The threaded spindle 9 is provided with a through keyway 1 along the axial directi...
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