Water protection in the western semiarid coal mining regions of China: A case study

查看全文 作　　者：Huang [1,2]Hanfu;Wang [3]Changshen;Bai [2]Haibo;Wang [3]Zihe

机构地区：[1]State Key Laboratory of Geomechanics & Deep Underground Engineering, China University of Mining & Technology, Xuzhou 221008, China;[2]Sima Coal Mine, Lu'an Mining Group Co. Ltd., Changzhi 047105, China;[3]School of Resource & Geosciences, China University of Mining & Technology, Xuzhou 221116, China

出　　处：《International Journal of Mining Science and Technology》索引2012年第22卷第5期,共5页

基　　金：the sponsor by the National Natural Science Foundation of China (No. 50974115);the Program of Introducing Talents of Discipline to Universities (No.B07028) 摘　　要：The coal industry in China has been moving from the semiarid eastern to the drier western regions since the beginning of this century.Water protection is of the utmost concern for coal mining in these regions.Lu'an,as one of the state coal mining bases in China,has been seeing increasingly heavier pressure for the protection of water resources.This article considers Lu'an as an example and describes the ways these concerns may be alleviated.High mine-water utilization rates have effectively reduced wasting of water and,consequently,have reduced water demand.Using the top layers of the Ordavician as aquifuge barriers can prevent floor karst water inrush into the longwall face and can protect the regional Ordovician karst water resources at the same time.The strength of the overlying Quaternary clay can protect against roof collapse and has successfully preserved the Quaternary porous water resource. 关键词：水资源保护半干旱区煤炭开采西部地区中国案例保护水资源综采工作面

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Water protection in the western semiarid coal mining regions of China: A case study

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耦合文献(967)

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