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晋城地方煤矿多采用硐室式开采法 ,采空区情况复杂。介绍了巷道施工中 ,针对不同情况 ,分别采用双筋桁架锚杆、锚注及砌碹支护方式过采空区的方法。
Jincheng local coal mines use multi-chamber mining method, goaf area complex situation. This paper introduces a method of over-gob area using double-rib truss anchor, bolt-grouting and piling support for different conditions in roadway construction.