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《Chinese Journal of Rock Mechanics and Engineering》 2005-09
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QIU Sheng-hua1,YANG Lin-de2,CHEN Gang1 (1. Zhu′an Construction and Development Corp.,Ltd.,Shanghai Urban Construction Group,Shanghai 200031,China; 2. Department of Geotechnical Engineering,Tongji University,Shanghai 200092,China)  
Rock mass parameters have the properties of structural and random spatial variance,which result in uncertainty of the parameters. Geostatistics is applied to establish the mathematical model of variation of rock mass parameters. The experimental variance function is obtained by applying weighted polynomial reduction in computer. The ideal parameter values of experimental variance function are determined via cross validation. The ordinary Kriging estimation of rock mass parameters is realized according to these values,and the rock mass parameters in the study field are worked out. Applications show that the established model is reliable,the developed software is feasible and the results are correct.
【Fund】: 国家自然科学基金资助项目(59878038);; 上海市重点学科建设项目
【CateGory Index】: TU451
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