回采工作面灰岩承压水突水危险性精细化评价研究
张敏
（山西地宝能源有限公司，山西 太原 030000）
摘要： 太原煤气化（集团）有限责任公司龙泉煤矿4306 回采工作面巷道掘进过程中存在灰岩承压水突水危险性，顶
板有淋水点。根据以往的水文地质勘探试验资料，在探查4306 回采工作面底板太灰岩、奥灰岩含水层水文地质条件的基
础上，对其突水危险性进行评价，并提出切实可行的防治水技术措施，为工作面的回采提供更可靠的地质、水文地质依
据。根据探测情况，太灰岩含水层富水性不均匀，4306 回采工作面整体上富水性弱，已揭露的断层尚未发现导水现象；
峰峰组单位涌水量为0.026 31～0.170 00 L/(s·m)，渗透系数为0.022 4～0.160 0 m/d，富水性为弱-中等；峰峰组加上马家沟
组混合单位涌水量为0.01～0.18 L/(s·m)，渗透系数为0.017～0.260 m/d，富水性为弱-中等。
关键词： 突水危险性；太灰水；奥灰水；富水性
中图分类号： TD745     文献标志码： A     文章编号： 2095-0802-(2022)08-0053-04
Fine Evaluation of Water Inrush Risk of Limestone Confined Water in Mining Face
ZHANG Min
(Dibao Energy Co., Ltd. of Shanxi, Taiyuan 030000, Shanxi, China)
Abstract: There is a water inrush risk of limestone confined water in the roadway excavation of 4306 working face of Lomhquan
Coal Mine of Taiyuan Coal Gasification (Group) Co., Ltd., and there are water drenching points on the roof. Based on the previous
hydrogeological exploration and test data and the previous exploration of the hydrogeological conditions of Taiyuan limestone and
Ordovician limestone aquifers on the floor of 4306 working face, the water inrush risk was evaluated, and practical technical
measures for water prevention and control were put forward, which provides more reliable geological and hydrogeological basis for
mining of working face. According to the detection, the water yield of Taihui limestone aquifer is uneven, the water yield of 4306
working face is weak as a whole, and the water diversion phenomenon has not been found in the exposed faults; the unit water
inflow of Fengfeng formation is 0.026 31-0.170 00 L/(s·m), the permeability coefficient is 0.022 4-0.160 0 m/d, and its water
yield property is weak-medium; the unit water inflow of Fengfeng formation and Upper Majiagou Formation is 0.01-0.18 L/(s·m),
the permeability coefficient is 0.017-0.260 m/d, and the water yield property is weak-medium.

Key words: water inrush risk; groundwater in the carbonic limestone; Ordovician limestone water; water yield property