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《Coal Science and Technology》 2014-01
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Research on Engineering Classification and Mechanical Parameters Estimation Method for Mining Rockmass

LIU Xiao-ping;Xi'an Research Institute Co. ,Ltd. ,China Coal Technology and Engineering Group;Institute of Geotechnical Engineering,Xi'an University of Technology;  
In order to solve the mining rock mechanics parameters selection problem,based on the three- zone theory and engineering practice,the paper proposed a classification method for mining rockmass using integrity index and height of three- zone,which could be measured directly,established relationships with the longitudinal wave velocity and geological strength index for rockmass,derived the pricing formula of key parameter in Hoek- Brown criterion,realized quantitative evaluation on mechanical properties of mining rockmass. Ultimately,the author summarized the general rule of parameters selection of mining rockmass. The engineering application showed that this method of classification and mechanical paramete estimation was simple,practical and fitted engineering reality.
【Fund】: 中国煤炭科工集团西安研究院技术创新资助项目(2013XAYCX025)
【CateGory Index】: TD311
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