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为了解决兰花集团北岩煤矿9#煤大巷及顺槽支护难的问题,采用实验室试验、现场实测、理论分析和数值模拟相结合的方法,系统研究了支护方案,确定了支护参数,进行支护了设计,通过井下工业性实验,取得了良好的支护效果,提高了经济效益,降低了支护成本。
In order to solve the problem of 9 # coal roadway in Beiyan coal mine of Orchid Group and the difficulty of supporting along the trough, the method of laboratory test, field measurement, theoretical analysis and numerical simulation are used to systematically study the support scheme and confirm the support parameters , Support the design, through the underground industrial experiments, and achieved good support effect, improve economic efficiency and reduce support costs.