摘要
针对山西中煤担水沟煤业有限公司奥灰水丰富、易发生突水事故、影响矿井生产问题,基于矿井地质条件进行矿井充水因素分析及评价,采用经验计算和钻孔勘探进行综合分析,确定如下结论:底板突水受水压及岩溶裂隙、地质构造、矿压破坏等因素影响,通过计算确定4-1、4-2、8、9和11号煤层最大导水裂隙带高度分别为62.15 m、68.41 m、40.27 m、487.6 m、64.33 m,部分区域有导通地表的情况,同时4-1、4-2、9号煤层奥灰岩溶水突水危险性小,9号煤层担水沟北部突水系数比较大,突水系数整体从南到北逐渐增大;11号煤层西北部突水系数比较大,而且部分地区突水系数值在0.06~0.1 MPa/m,需要密切关注。
In view of the rich Ordovician ash water in Shanxi China Coal Danshuigou Mine Industry Co.,Ltd.,which leads to water inrush accidents and affects production,the analysis and evaluation of mine water filling factors are carried out based on mine geological conditions.A comprehensive analysis is made by empirical calculation and borehole exploration.it is determined that the water inrush from the floor is affected by water pressure,karst fissures,geological structure,mine pressure and other factors.Through calculation,it is determined that the maximum height of waterconducting fissure zone in No.4-1,4-2,8,9 and 11 coal seams is 62.15 m,68.41 m,40.27 m,487.6 m and 64.33 m,respectively.Some areas have the situation of surface conduction,additionally,the risk of karst water inrush in Ordovician limestone in coal seams No.4-1,4-2 and 9 is small,and the water inrush coefficient in the north of Danshuigou in No.9 coal seam is relatively large,and the water inrush coefficient increases gradually from south to north.The water inrush coefficient in the northwest of No.11 coal seam is relatively large,and the water inrush coefficient in some areas is between 0.06-0.1 MPa/m,which needs to be paid close attention to.
作者
郭晓东
GUO Xiaodong(Shanxi Branch of China Coal Resources Development Group Co.,LTD.,Datong 037000,China)
出处
《晋控科学技术》
2026年第1期38-41,共4页
Jinneng Holding Science and Technology
关键词
充水影响
导水裂隙带
突水危险性评价
底板破坏深度
influence of water filling
water-conducting fracture zone
water inrush risk assessment
failure depth of seam floor
