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《Chinese Journal of Underground Space and Engineering》 2007-05
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Research on the Rock Classification of Tunnel by Improved Extension Assessment Method

HUANG Sheng-wen1,LI Sen-lin1,LU Chang-liang2(1.The Institute of Geotechnique of CUST,ChangSha 410076,China;2.Department of Construction of GuiZhou province,GuiYang 550003,China)  
Compared to traditional extension assessment method,this paper introduces information entropy weight and connection transformation into it and a new extension assessment model is established by combination with fuzzy theory.So it solves well the contradictory question about the assessing surrounding rock quality of tunnel by incomplete factors.Then this method is applied to two projects.The application result shows that the method is effective and practical.
【Fund】: 湖南省自然科学基金项目(05JJ30188)
【CateGory Index】: U451.2
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