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Equivalent materials simulation experimental study on bed separations developing and mining subsidence in constant humidity and constant temperature conditions

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【Author】 FU Zhi-liang WANG Su-hua GAO Yan-fa School of Resources Development & Managment Engineering,Anhui University of Science &Technology,Huainan 232001,China; College of Chemical and Environmental Engineering,Shandong University of Science and Technology,Qingdao 266510,China; Geotechnical mechanics Research Center,China University of Mining & Technology,Beijing 100083,China; College of Hydraulic and Civil Engineering,Shandong Agricultural University,Tai’an 271018,China

【机构】 School of Resources DeveloPment & Managment Engineering,Anhui University of Science &Technology,Huainan 232001,China； College of Chemical and Environmental Engineering,Shandong University of Science and Technology,Qingdao 266510,China； College of Hydraulic and Civil Engineering,Shandong Agricultural University,Tai’an 271018,China； Geotechnical mechanics Research Center,China University of Mining &Technology,Beijing 100083,China；

【摘要】 <正> A new experiment was made on the developing of bed separations and mining subsidence from Tangshan T2192 working face by equivalent materials simulation.The overburden deformation and the developing of bed separations with working face advanc- ing was simulated by a new model.The results show that the maximum value of bed separations moved forward gradually along with the working face advancing;the maxi- mum value of bed separations is 0.31～0.50 times of mining thickness.The key strata have a great influence upon surface subsidence during the overburden movement process.The mechanics parameters of new experiment are fitted with results in fields perfectly.更多还原

【Abstract】 A new experiment was made on the developing of bed separations and mining subsidence from Tangshan T2192 working face by equivalent materials simulation.The overburden deformation and the developing of bed separations with working face advanc- ing was simulated by a new model.The results show that the maximum value of bed separations moved forward gradually along with the working face advancing;the maxi- mum value of bed separations is 0.31～0.50 times of mining thickness.The key strata have a great influence upon surface subsidence during the overburden movement process.The mechanics parameters of new experiment are fitted with results in fields perfectly.更多还原

【关键词】 subsidence； bed separations； constant humidity； constant temperature； equivalent simulation experiment；
【Key words】 subsidence； bed separations； constant humidity； constant temperature； equivalent simulation experiment；

【基金】 The National Natural Science Funds Committee(50174035)

【文献出处】 Journal of Coal Science & Engineering(China) ,煤炭学报(英文版) , 编辑部邮箱 ,2008年04期

【分类号】TD325
【被引频次】1

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