摘要
根据榆家梁煤矿43煤顶底板条件较好易于支护,兼顾地面救援钻孔位置选择,距离工业广场较近,利用现有联巷等原则,对43煤永久避难硐室的位置、支护及避险设施进行设计。
According to the easy support of the roof and floor in YUJIALIANG Mine 43 coalseam , in consideration of the selec- tion of surface borehoie drilling location for the permanen refuge chamber in the underground mine and the drilling location closely set with the surface industrial park, using the existing contact lane, the design was conducte on the location, support and other of the permanent refuge chamber in43 coalseam.
出处
《内蒙古煤炭经济》
2017年第12期97-100,共4页
Inner Mongolia Coal Economy
关键词
永久避难硐室
支护方式
生存保障
Design of Permanent Refuge Chamber
supportmode
survival security
