古汉山矿井底车场交岔点破坏分析与修复对策

Anatysis of Intersection Wrecked and vountermeasure of Repair in Shgft Botfom of Guhanshan Coal Mine

古汉山煤矿 3#～ 4#交岔点在工程结束 2个月后出现裂纹 ,同时伴有底鼓现象发生 ,通过对井底车场 3#～ 4#交岔点失稳破坏的原因进行系统的分析 ,采取合理的全封闭支护对策进行修复 。

This paper analyzes unstable wrecked cause in 3 #～4 # intersection of shaft bottom in Guhanshan coal mine,rational all-closed support is adopted with rapair and gains good result of support.