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Study on Prediction Methods of Workface Inflow in Conditions of Different Mine in Shallow Coal Seam
Author(s): 
Pages: 225-228
Year: Issue:  4
Journal: Coal Technology

Keyword:  浅埋煤层溃水机理涌水量灾害防控体系;
Abstract: 浅埋煤层开采期间,覆岩导水裂缝带极易沟通煤层顶板上部全部含水层,引发工作面溃水灾害的发生.因此,在分析顶板溃水产生机理及形成条件的基础上,根据工作面开采顺序对首采工作面、次采工作面提出了相应的配套涌水量预计方法,可为工作面排水系统能力设计及设防能力确定提供理论依据;同时,针对浅埋煤层顶板发生溃水灾害的特点,提出了针对性的灾害防控体系.
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