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方山煤矿井下二级提升车房投入使用后不久 ,产生严重失稳现象 ,经采用注浆、树脂锚杆、锚索及喷浆联合加固修复 ,取得了良好效果。
Shortly after the second-level lift house in Fangshan Coal Mine was put into operation, serious instability occurred. After grouting, resin bolt, anchor bolt and shotcrete were combined and rehabilitated, good results were achieved.