【摘要】 陈四楼煤矿在F3 9断层破碎带掘进过程中 ,先后发生 2次突水冒顶后 ,多次采用强行通过都未成功。介绍了西行绕道施工方案后的爆破注浆加固、马蹄形导硐爆破掘进技术 ,达到破碎带施工的安全、优质、高效的目的更多还原

【Abstract】 In drifting through fractured zone in F 39 fault at Chensilou Coal Mine,water inrush and caving were occured twice and several trials of forced passing had failed.The drifting technology involving consolidation by grouting and blasting with horseshoe pilot heading was used in the scheme of western detouring construction so as to attain the aim of safety,high quality and high efficiency in the construction in the fractured zone.更多还原