临时支护在曲江煤矿掘巷中的改进与完善

Improvement and Perfection of Temporary Support in Tunneling in Qujiang Colliery

在煤矿井下拓掘过程中,为防止掘巷裸露空间未施工永久支护前的掉碴、垮漏危害而进行的临时支护,经试用和推广、改进、更新及完善后,更安全有效地避免了煤、碴砸伤事故的发生。

To prevent the falling muck,collapse and leakage before permanent support in the exposed space during tunneling,the author proposes the temporary support,which has been tested,popularized,improved and upgraded to avoid the injury accident by coal and muck effectively.