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| Research on surrounding rock control technology of track roadway crossing fault fracture zone in Licun Mine |
| Wang Wei |
| Licun Mine, Shanxi Lu'an Chemical Group Cilinshan Coal Industry Co., Ltd., Changzhi 030600, China |
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Abstract Aiming at the problems of large deformations of roadway surrounding rock, failure of support engineering and failure to ensure the overall stability of roadway when the track roadway of Licun Mine of Cilinshan Coal Industry Co., Ltd. of Shanxi Lu 'an Group passed through the fault fracture zone, the support scheme of ' anchor frame + grouting anchor cable + steel mesh ' was proposed, and the feasibility of the support scheme was verified by numerical simulation. The field practice results showed that the deformation of the surrounding rock of the roadway in the test section was effectively controlled by the support scheme of ' anchor frame + grouting anchor cable + steel mesh ', and the long-term stability of the surrounding rock through the fault fracture zone was successfully solved.
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