摘要
澄合煤业有限责任公司的董家河煤矿在建井和5~#煤开采过程中,曾经发生过多次5~#煤层底板突水事故。由于5~#煤开采受K2段石英砂岩、灰岩含水层组和奥陶系灰岩含水层承压水的威胁,因此在山阳矿井开采5~#煤层时,必须研究矿井的水文地质条件和带压开采技术,采取有针对性的防治水措施,确保矿井的生产安全。
During the process of mine construction and No.5 coal seam mining in Dongjiahe coal mine,there have been many accidents of floor water inrush of No.5 coal seam. For the mining of No.5 coal seam is threatened by K2 section quartz sandstone,limestone aquifer and Ordovician limestone aquifer pressure water,therefore,when mining No.5 coal seam in Shanyang coal mine,it is necessary to study mine hydrological and geological conditions and mining technology under pressure,and take targeted water control measures to ensure mine safety production.
出处
《陕西煤炭》
2017年第5期65-68,共4页
Shaanxi Coal
关键词
矿井
奥灰水
带压开采
防治措施
coal mine
Ordovician limestone water
mining under pressure
preventive measures
