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Wu Lixin\ Wang Jinzhuang (Beijing Grad.Sc.of C.U.M.T.) Meng Shunli (Coal Bureau of Hebei Province)  
Creep experiments of coal under uniaxial load show a low creep factor ( η=σ 1/σ c) and a high threshold stress ( σ th ).The samples are taken from the Fengfeng coal field in Hebei Province.Creep parameter sets determined at different stress levels were presented.Calculations of ground subsidence due to underground mining of Fengfeng coal mine Ⅱ using the present experiment results call for farther precautions.
【Fund】: 国家自然科学基金国家自然科学基金
【CateGory Index】: P55
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4 WANG Lai-gui,ZHAO Na,HE Feng,LI Xin(College of Mechanics and Engineering,Liaoning Technical University,Fuxin 123000,China);Rock creep damage model and its stability analysis[J];煤炭学报;2009-01
5 WANG Zhi-jian,YIN Kun-long,JIAN Wen-xing (Engineering Faculty,China University of Geosciences,Wuhan 430074,China);Experimental research on creep of incompetent beds in Jurassic red clastic rocks in Wanzhou[J];岩土力学;2007-S1
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