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Abstract In view of Xinsan mine south transport roadway surrounding rock deformation and failure situation, through the survey and analysis, that high ground stress, groundwater erosion and roadway supporting method as the main cause of deformation and failure of roadway.Support based on "strengthening", the principle of "uniform bearing supporting, put forward the" U29 steel bracket + anchor wire rope + wall after filling "the supporting schemes of repair.According to the repair tunnel site test, this kind of repair support scheme effectively ensures the stable transportation lane, provides reference for similar roadway supporting.
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