三软煤层大断面交岔点锚梁网支护技术  

Anchor Beam Net Supporting Technology of Intersection with Large Section in "Three Soft" Coal Seam

作　　者：田克勇 

机构地区：[1]郑煤集团公司超化煤矿,河南新密452385

出　　处：《中州煤炭》2015年第9期69-70,73,共3页Zhongzhou Coal

摘　　要：为保证超化煤矿22031运输巷交岔点满足使用要求,结合现场条件,提出了在主巷U型钢架棚支护巷道内连锁、打锚杆、锚索加固后摘腿,使用锚杆、钢筋梯子梁、锚索支护的施工方案,保证了交岔点的有效使用宽度和高度,并且稳定可靠。To ensure the intersection of 22031 haulage gateway meet the requirements of actual application, combined with site condi- tions, construction scheme, using a series of methods,was put forward,including making U type steel supports in chain in the main road- way, setting anchor, anchor cable reinforcement after picking leg, combined supporting method using bolt, steel ladder beam and cable anchor. The application of this scheme has guaranteed the effective width and height of intersection, and also make ensure the intersec- tion is stable and reliable.

关 键 词：三软煤层 交岔点 U型钢连锁 锚杆锚索加固 锚梁网 

分 类 号：TD353[矿业工程—矿井建设]