摘要
以姚桥煤矿中央回风下山工程为实例,该巷道位于中央采区孤岛煤柱区,面临冲压危险;采用顶板深孔预裂爆破技术,制定底板卸压设计方案来应对;拟定冲压危险判定及对策;为今后过类似的孤岛煤柱区提供了一定的借鉴经验。
Taking central return air down mountain project in Yaoqiao Colliery as an example, the paper introduces roof deep-hole presplitting explosion technology, formulates floor pressure relief design scheme and studies out the danger judgment and countermeasures of rock burst, which provides certain reference for crossing similar isolated pillar area.
作者
刘晓飞
Liu Xiaofei(Shanghai Energy Datun Co., Ltd., Peixian, Jiangsu 221611)
出处
《江西煤炭科技》
2019年第2期163-166,169,共5页
Jiangxi Coal Science & Technology
关键词
孤岛煤柱区
深孔预裂爆破
冲击地压
危险判定
isolated pillar area
deep-hole presplitting explosion
rock burst
danger judgment
