Fissure rock grouting reinforcement experimental instrument and experimental method thereof
A technology of grouting reinforcement and experimental method, applied in the field of grouting reinforcement of fractured rocks, can solve the problems of inconvenient operation and complex structure, and achieve the effect of convenient operation and simple structure
Inactive Publication Date: 2010-11-24
CHINA UNIV OF MINING & TECH (BEIJING) +1
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Problems solved by technology
There are at least the following disadvantages in the above-mentioned prior art: the experimental slurry and the experimental rock block are respectively in different containers, the structure is complicated, and the operation is inconvenient
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The invention discloses a experimental device and the method to pour the plasm into the rock cranny including the pressure hollow, the plasm pouring hollow and the piston between two hollows. The releaser in the plasm pouring hollow includes the sealing cover set with the vent-pipe which is connected to the plasm hollow external and set with the controlling valve. The pressure hollow is connectedwith the oil input, the oil output, the overflow valve and the pressure meter. First to cover the sealing cover on the rock cranny which, then it is put into the plasm pouring hollow which is filled with the plasm. Giving the pressure to the pressure hollow and opening the controlling valve; when the plasm is discharged from the vent-pipe, the controlling valve is closed. Go on giving the pressure to the pressure hollow until reaching the set pressure. The device is simple and easy to operate, so it can experiment in lab.
Description
Cracked Rock Grouting Strengthening Experimental Apparatus and Its Experimental Method technical field The invention relates to a fissure rock grouting reinforcement technology, in particular to a fissure rock grouting reinforcement experimental instrument and an experimental method thereof. Background technique In underground rock engineering such as mines, cracks with a certain density are often distributed in the surrounding rock of the roadway, especially in roadways that have undergone large deformation, the density of cracks in the surrounding rock is higher. Surrounding rock grouting can fill these fissures, fill and strengthen the fissure surrounding rock, and convert it into a complete rock mass. This can fully increase the strength of the surrounding rock. In order to test the grouting reinforcement effect of fractured rock, it must be possible to conveniently carry out grouting reinforcement of fractured rock in the laboratory, and fully inject the grouting sl...
Claims
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IPC IPC(8): E21D11/10
Inventor 高延法牛学良王波
Owner CHINA UNIV OF MINING & TECH (BEIJING)