大同煤田(北区)煤层底板独立岩溶水系统突水脆弱性评价研究  

Vulnerability assessment of water inrush from independent karst water system of coal seam floor in Datong Coalfield (north district)

作　　者：李冲 杨文凯 杨斌 董远卓 杨亮 LI Chong;YANG Wen-kai;YANG Bin;DONG Yuan-zhuo;YANG Liang(Hydrogeological Bureau,China Coal Geology Bureau,Handan 056004,China;$chool of Mechanical Electrical and Ilnformation Engineering,China University of Mining and Teehnology(Beijing),Beijing 100083,China;The Third Hydrogeological Team,China Coal Geology Bureau,Handan 056004,China;College of Ceoscience and Surveying Engineering,China University of Mining&Technology(Beijing),Beijing 100083,China)

机构地区：[1]中国煤炭地质总局水文地质局,河北邯郸056004 [2]中国矿业大学(北京)机电与信息工程学院,北京100083 [3]中国煤炭地质总局第三水文地质队,河北邯郸056004 [4]中国矿业大学(北京)地球科学与测绘工程学院,北京100083

出　　处：《煤炭工程》2021年第6期130-134,共5页Coal Engineering

基　　金：国家重点研发计划(2017YFC0804104);核资源与环境国家重点实验室(东华理工大学)开放基金(NRE1906);河北省矿井灾害防治重点实验室开放课题(KJIH2019K01);中央高校基本科研业务费项目(2020YJSDC19)。

摘　　要：为准确评价大同煤田(北区)煤层底板岩溶突水危险性,通过大规模勘查对大同煤田(北区)岩溶水系统展开了调查和研究,确定了研究区独立的"大同煤田岩溶水系统",并对其边界进行了圈定。在此基础上,利用基于GIS-AHP的脆弱性指数法对研究区煤层底板岩溶突水危险性进行了预测和评价,研究结果表明:3号煤层赋存范围内大部分为安全区;5号煤层大部分为安全区和过渡区,危险区主要集中在中西部多数构造区域与燕子山井田东部、东周窑井田中东部、同忻井田西北部和马脊梁井田北中部;8号煤层过渡区和危险区面积明显增加,主要分布在东周窑井田、燕子山井田、马脊梁井田西南部和塔山井田西南部。In order to accurately evaluate the risk of karst water-inrush from coal seam floor in the study area, the karst water system in Datong coalfield(north district) was investigated by means of remote sensing, geophysical exploration and drilling. Besides, the independent "Datong coalfield karst water system" was determined and its boundary was delineated. On this basis, the vulnerability index method based on GIS-AHP was used to predict and evaluate the risk of karst water-inrush from coal floor in the study area. The research results show that, most part of No.3 coal seam is located in the safe zone;most part of No.5 coal seam is located in the safe zone and transition zone. The danger areas are mainly distributed in structural areas in the mid-west region, the east of Yanzishan mine field, the mid-east of Dongzhouyao mine field, the northwest of Tongxin mine field and the north-central of Majiliang mine field. The area of transition zone and danger zone of No.8 coal seam increased obviously, and they are mainly in Dongzhouyao mine field, Yanzishan mine field, the southwest Majiliang mine field and the southwest of Tashan mine field.

关 键 词：大同煤田 独立岩溶水系统 底板突水 脆弱性指数法 

分 类 号：TD745[矿业工程—矿井通风与安全]