江西煤炭科技2023年第1期摘要:为确保带压开采工作面顺槽巷道掘进期间的安全稳定,以岳城煤矿151302工作面条件为背景,开展了工作面灰岩突水危险性精细化评价研究。结论如下:①分析了151302工作面顶板含水层特性及工作面充水因素,确定工作面胶带进风顺槽掘进期间不受上层老空水和地表水影响,顶板K2石灰岩岩溶隙含水层水的影响有限。②对151302工作面胶带进风顺槽掘进区域底板灰岩含水层富水性进行了分析,并对灰岩导水发育高度、底板安全隔水层厚度、突水系数等参数进行了计算。根据计算结果以及151302工作面地质条件,工作面能够实现安全承压开采。关键词:工作面;带压开采;含水层;突水系数中图分类号:TD745文献标识码:B文章编号:1006-2572(2023)01-0135-03StudyonLimestoneWaterInrushRiskEvaluationatWorkingFaceofYuechengCollieryWangXiaojia(GeologicalSurveyDept..ofYuechengColliery,QinxiuCo.,JinchengCoalDivision,JinnengHoldingGroupCo.,Jincheng,Shanxi048200)Abstract:Inordertoensurethesafetyandstabilityindrivingthecrossheadingat151302workingfaceunderpressureinYuechengColliery,thepapermakesafineevaluationstudyontheriskoflimestonewaterinrushattheworkingface,whoseconclusionsareasfollows:firstly,itisdeterminedthatthebeltairinlettunnelduringdrivingisnotaffectedbythegoafwaterandsurfacewaterintheupperlayerandtheinfluenceofroofK2onkarstfissureaquiferwaterislimitedbyanalyzingthecharacteristicsoftheflooraquiferandthefactorsofwaterfillingat151302workingface;andsecondly,thewaterabundanceoffloorlimestoneaquiferintheexcavationareaisanalyzedandthedevelopmentheightoflimestonewaterdiversion,thethicknessoffloorsafewaterresistinglayerandwaterinrushcoefficientarecalculated,whichcanrealizesafetyminingunderpressure.Keywords:workingface;miningunderpressure;aquifer;waterinrushcoefficient岳城煤矿工作面灰岩突水危险性评价研究王晓佳(晋能控股煤业集团晋城煤炭事业部沁秀公司岳城煤矿地质测量部,山西晋城048200)许多煤矿在开采过程中,都面临着煤层底板带压开采的问题,而煤层与底板承压水之间隔水层的厚度和稳定性是影响开采的主要因素[1-2]。随着矿井开采逐步向深部延伸,工作面带压开采风险增大,有必要对工作面突水危险性进行精细化评价[3-5]。本文以岳城...