Ground directional grouting reinforcement and surrounding rock supporting technology of driving roadway through fault
The roadway will face complex geological hazards when driving through faults.In order to explore the reinforcement technology of roadway surrounding rock in Shaliang Mine fault zone,a ground directional grouting model was established by using COMSOL,and FLAC3D was used to simulate and analyze the roadway supporting conditions after grouting,and industrial tests were carried out at the same time.The results show that the fault can be filled and wrapped effectively when the grouting pressure is 15 MPa,and the slurry uti-lization rate is the highest.Under the reinforcement of steel frame and anchor bolt and cable,the surrounding rock of roadway is effec-tively controlled.
roadway through faultground directional groutingroadway surrounding rocksurrounding rock control
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