古韩联营煤矿3^(#)煤层带水压开采条件评价

Evaluation on 3^(#)coal mining with water pressure condition in Guhan coal mine

提出古韩联营煤矿3#煤属带水压开采,采掘过程中对3#煤安全开采最大的潜在威胁是构成煤系基底的K2灰岩和奥灰岩溶裂隙水。分析和计算了这两个含水层的突水系数,评价得出K2灰岩和奥灰含水层属于可能发生底板突水危险地区,建议在矿井巷道掘进和工作面回采过程中应采取相应地防治水技术和措施来保证矿井的安全生产。

The paper put forward 3^# coal mining with water pressure and the biggest potential threat of 3^# coal mining safely which is the K2 and Ordovician limestone karst fissure water during coal mining in Guhan coal mine, analyzes and computes water inrush coefficient of the two aquifers above metioned, evaluates and educes K2 and Ordovician limestone aquifers belonging to the possible dangerous areas of floor water invasion, proposes that corresponding water control technologies and measures are taken in order to ensuring the safety of mine production during roadway excavation and face mining.