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《Chinese Journal of Underground Space and Engineering》 2005-06
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The Character of Deformation in Goaf Road Roof and Its Influence on the Bolt-Rock Structure

ZHANG Xu-yan~1,YANG Shuang-suo~2 (1.College of mining Engineering,Taiyuan University of Technology,Taiyuan 030024 P.R.China;2.College of mining Engineering,Taiyuan University of Technology,Taiyuan 030024 P.R.China)  
The mechanism of deformation in goaf road roof is analyzed in this paper theoretically,and the character of deformation in goaf road and its influencine factor are studied based on the numerical analysis,the influence of deformation in goaf road on the rock bolt structure is analyzed finally,and a conclusion is drawn: 1) the deformation of goaf road roof is caused by the turn-over of the old roof primarily;2) the transverse deformation of goaf road roof is evident;3) the transverse deformation of the layered roof increases the shearing stress effect on the rock boft structure,causing a new problem for rock bolt structure.
【CateGory Index】: TD327.2
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Chinese Journal Full-text Database 1 Hits
1 ZHANG Guohua, LI Fengyi, KANG Jian (Natural Resources & Environmental Dept., Heilongjiang Institute of Science & Technology, Jixi 158105, China);Approach to the Principle of Bolt Support and Prevention of the Relative Position Movement of Lay and the Reasonable Mode of Bolts' Installation[J];Journal of Heilongjiang Institute of Science;2001-03
Chinese Journal Full-text Database 10 Hits
1 WEN Jing-zhou,WANG Cheng,LIU Li-biao(Department of Tunnel and Geotechnical Engineering,Chongqing Jiaotong University,Chongqing 400074,China);Research on Back Calculation of Plastic and Loose Areas by Axial Force of Rock Bolt[J];Chinese Journal of Underground Space and Engineering;2008-06
2 ZHONG Fang-ping(1.Construction and Exploitation Ltd.of Chang-Ji Expressway,Changde 415100,China);Experimental study on bolt-shotcrete parameter optimization of tunnel in horizontal layered surrounding rock masses[J];Journal of Railway Science and Engineering;2008-01
3 ZHANG Guo-hua1,2,LIANG Bing2,LI Feng-yi1 (1.College of Resources and Environment Engineering, Heilongjiang Science and Technology Institute, Harbin 150027,China;2.Department of Mechanics and Engineering Science, Liaoning Technical University, Fuxin 123000,China);Analysis of law of multiple roof-rock in extraction roadway in dongrong coal mine[J];Journal of Liaoning Technical University;2004-01
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7 ZHANG Jun-ru,QIU Wen-ge(School of Civil Engineering,Southwest Jiaotong University,Sichuan Chengdu 610031,China);Research into Variation Mechanism and Support Measure of Tunnel in Titled Banded Mudstone[J];Journal of Highway and Transportation Research and Development;2007-01
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Chinese Journal Full-text Database 2 Hits
1 Cheng Qingming etc.;Rigid beam theory of bolt support and its application[J];Ground Pressure and Strata Control;2000-01
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