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结合我国矿区采动沉陷、土地占用和资源浪费的实际,在三塘煤矿进行薄煤层巷道掘进矸石置换永久煤柱的实践,介绍其工艺路线,分析置换效果影响因素,得出薄煤层巷道掘进矸石置换永久煤柱的可行性结果。
Combined with mining mining subsidence, land occupation and waste of resources in our country, the practice of replacing coal pillar with coal gangue in the tunnel of Santang Coal Mine is introduced. The process route is introduced and the influencing factors of displacement effect are analyzed. Feasibility of replacing permanent pillars.