摘要
采用地层结构及其结构因素特征分析方法 ,在覆岩结构、结构类型、水文地质结构类型和水体类型划分的基础上 ,对下沟矿在白垩系基岩裂隙承压强含水层下特厚煤层综放开采 ,首采工作面导水裂缝带高度及上覆含水层透水性进行预测研究。
The paper studies the height of water flowing fractured zone and the permeability of strata over the first longwall with top-coal caving face in Xiagou coal mine based on the division of strata structure and hydrological condition which is fracture confined water of cretaceous system basement rock.
出处
《煤矿开采》
2004年第1期39-42,共4页
Coal Mining Technology
关键词
综放开采
地层结构
覆岩
基岩裂隙含水层
透水性
Fracture confined water of basement rock
Strata structure
Water permeability
Longwall with top-coal caving
