太原东山煤矿15号煤层底板突水条件分析The condition of water gushing from floor of No.15 coal seam in Dongshan Coal Mine
吴慧芳,段水云,高红森
WU Hui fang 1;DUAN Shui yun 1;GAO Hong sen 2 (1 229 Hydrogeological Team of China National Administration of Geology;
摘要(Abstract):
东山井田位于娘子关奥陶系岩溶泉域的西部。奥陶系灰岩水已严重地威胁着 15号煤层的安全开采 ,在底板隔水岩柱薄弱地带或断裂陷落柱构造破碎带 ,存在着岩溶水突破相对隔水层溃入矿坑的可能性。本文着重研究了底板突水条件 ,并提出了相应的防治措施
Dongshan Coalfield is located in the western part of Niangziguan Spring Area.Ordovician karst water threatens mining No.15 coal seam safely.The possibility of karst water gushing is existed in weakness zone of water resisting coal block and fractured zone of collapse columns.This paper deals mainly with the condition of water gushing from coal seam floor and advances the control measure.
关键词(KeyWords):
煤层;突水条件;东山井田
coal seam;water gushing condition;Dongshan Coalfield
基金项目(Foundation):
作者(Authors):
吴慧芳,段水云,高红森
WU Hui fang 1;DUAN Shui yun 1;GAO Hong sen 2 (1 229 Hydrogeological Team of China National Administration of Geology;