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  5. Formation and evolution of gas flow channels in the abutment pressure area

Formation and evolution of gas flow channels in the abutment pressure area

来源 :矿业科学技术学报：英文版 | 被引量 : 0次 | 上传用户：killer0662
【摘 要】
：
The permeability of coal ahead of the working face obviously changes dues to changes in abutment pressure.The formation and evolution of gas flow channels withi
【作 者】
：
Zhang Yong Zhang Xibin Xu Life 
【机 构】
：
Faculty
【出 处】
：
矿业科学技术学报：英文版
【发表日期】
：
2012年6期
【关键词】
：
ABUTMENT pressure Gas flow CHANNELS FRACTURE EXTENSION mechanism FRACTURE develo 
【基金项目】
：
supported by a Grant from the State Key Basic Research Program of China(No.2011CB201204)
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The permeability of coal ahead of the working face obviously changes dues to changes in abutment pressure.The formation and evolution of gas flow channels within the abutment pressure area was studied by analyzing the fracture extension mechanism and frac
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