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《Chinese Journal of Underground Space and Engineering》 2017-03
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Study on Loess Tunnel Surrounding Rock Classification Msethod Based on Extension Theory

Xue Xiaohui;Zhang Jun;Yao Guang;School of Highway,Chang'an University;Shanxi Transportation Research Institute,Key Laboratory of Highway Construction & Maintenance Technology in Loess Region of Ministry of Transport;  
In order to solve the shortage of theoretical basis on the loess tunnel surrounding rock classification method,on the basis of analyzing the existing loess tunnel rock mechanical properties and structural features,the paper uses extension theory to establish correlation function,and solve the integration problem of evaluation indexes.The paper makes some discovery working for loess tunnel surrounding rock classification,and it provides foundation for loess tunnel design and construction.The results show that the loess tunnel surrounding rock classification method considers the loess intensive property,deformation properties,anisotropy and structural property.According to the correlation degree,we can judge the tunnel surrounding rock level and define the rock quality degree.The rock classification results are in accordance with the field test results.The existence errors belong to the paraisopolar level,and there is no grade-skipping.As opposed to the code method,the result accuracy is higher.
【Key Words】: loess tunnel surrounding rock classification extension theory
【Fund】: 山西省交通运输厅科研项目(2013-1-3 2015-1-18);; 交通运输部应用基础研究项目(2014319771190)
【CateGory Index】: U452.12
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【Citations】
Chinese Journal Full-text Database 8 Hits
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 Xue Xiaohui;Zhang Jun;Yao Guang;School of Highway,Chang'an University;Shanxi Transportation Research Institute,Key Laboratory of Highway Construction & Maintenance Technology in Loess Region of Ministry of Transport;;Study on Loess Tunnel Surrounding Rock Classification Msethod Based on Extension Theory[J];地下空间与工程学报;2017-03
2 YU Canxin;ZHANG Zhihai;WANG Xiaosong;;Practice of Surface Grouting Reinforcement for Zhashanzui Loess Tunnel[J];公路交通技术;2017-02
3 SUN Wenjun;SONG Yang;SUN Wenjie;LU Wei;Hebei University of Water Resources and Electric Engineering;College of Civil Engineering,Hebei University of Technology;Hebei Zhumei Engineering Design Co.,Ltd;;Numerical Simulation Analysis of Stability of Surrounding Loess of Heishan Tunnel During Construction[J];公路工程;2017-02
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Chinese Journal Full-text Database 10 Hits
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