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《Journal of Yanshan University》 2007-04
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Study on the laws of gas flow in over-broken rock mass

YU Wei~1 LI Qiang~2 HUANG Wei~3 WANG Mei-fen~1 (1.College of Architecture Engineering and Mechanics,Yanshan Univesity,Qinhuangdao,Hebei 066004,China;2.School of Sciences,China University of Mining and Technology,Xuzhou,Jiangsu 221008,China;3.Department of Civil Engineering,Pingdingshan Institute of Technology,Pingdingshan,Henan 467000,China)  
In this paper,the differential equation of gas seepage of over-broken rock mass has been deduced,and furthermore its liquid-solid-coupling expression has been given.Besides,the permeability ofover-broken sandstone has been obtained by experi- ment.Thus,the gas flow of over-broken rock mass theory has been validated.The preceding conclusions is to be a part of the theory of gas seepage,and has some regerence price for the studies of gas seepage later.
【Fund】: 国家重点基础研究发展计划(973计划)资助项目(No.2005CB221502);; 江苏省自然科学基金(No.BK2004033)
【CateGory Index】: O357.3
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