深立井极不稳定岩层中马头门的联合修复支护技术  

Combined Repair and Support Technology of Ingate of Deep Vertical Shaft Extremely Unstable Rock

作　　者：徐淑岐[1] 王雨寒[1] 

机构地区：[1]中煤第五建设公司第四十九工程处,邯郸056003

出　　处：《价值工程》2013年第15期84-85,共2页Value Engineering

摘　　要：结合具体实例,阐述两淮地区深立井极不稳定岩层,损坏马头门如何运用锚网喷、"U"型钢棚、锚索束、高强度钢筋混凝土联合支护,达到修复目的,来抵抗深层地压,确保马头门和井筒相贯线安全施工,达到安全使用的目的。Combined with specific examples,the paper describes the way to repair the damaged ingate supporting by bolting-wire mesh-shotcreting,anchorage cables,high-strength reinforced concrete,for resisting deep pressure from earth and ensuring the safety construction of the ingate and wellbore intersecting line,achieving the purpose of the safe use.

关 键 词：深立井 极不稳定岩层 马头门 联合修复支护技术 

分 类 号：TD262[矿业工程—矿井建设]