摘要
水口山康家湾9300巷道的支护型式巷道所处岩层主要是炭质页岩夹细粒石英砂岩,局部为粉砂质泥岩,因受接触带构造的影响,松软破碎;且地压大,来压快,持续时间长。最初用锚喷方法支护,因顶板冒落,侧帮挤入,底板隆起。
Some effective types of Combined drift Support in weak rock with behaviours of crack, expansion and rheologieal Characteristics in high ground pressure Condition at ShuikonShan Lead-Zine Mine and Fangshan Copper Mine are described in this paper.
