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| Analysis of the Sensitivity of Influencing Factors on Tunnel Secondary Lining Structure Stress |
| SONG Ke-zhi1, LI Fu-xian2, ZHU Lei-min2, WANG Meng-shu3 |
1. College of Civil Engineering, Ludong University, Yantai Shandong 264025, China;
2. The 4th Engineering Co. Ltd., of CR20G, Qingdao Shandong 266061, China;
3. Tunnel and Underground Engineering Research Center of Ministry of Education, Beijing Jiaotong University, Beijing 100044, China |
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Abstract On the basis of the load-structure model and FEM and taking the secondary lining of the Qingdao-Rongcheng intercity railway tunnel as a research object, sensitivity analysis of the influencing factors on the secondary lining's internal forces is conducted via the sensitivity coefficient method. The influencing factors are the elastic resistance coefficient of surrounding rock, the secondary lining thickness, the elastic modulus of secondary lining, and the lateral pressure coefficient, whose values are taken from engineering practice. The analysis result shows that (1) to crown bending moment, the descending order of the sensitivities of the influencing factors are secondary lining thickness, elastic resistance coefficient of surrounding rock, lateral pressure coefficient, and elastic modulus of secondary lining; (2) to crown axial force, the descending order is lateral pressure coefficient, elastic resistance coefficient of surrounding rock, secondary lining thickness, and elastic modulus of secondary lining; (3) to crown vertical displacement, the descending order is elastic resistance coefficient of surrounding rock, secondary lining thickness, lateral pressure coefficient, and elastic modulus of secondary lining; and (4) for the safety factor of the crown cross section, the descending order is elastic resistance coefficient of surrounding rock, lateral pressure coefficient, secondary lining thickness, and elastic modulus of secondary lining.
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Received: 09 April 2014
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| Fund:Supported by the National Natural Science Foundation of China(No.51278237) |
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Corresponding Authors:
SONG Ke-zhi, ytytskz@126.com
E-mail: ytytskz@126.com
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[1] JTG D70-2004, Code for Design of Road Tunnel[S]. (in Chinese)
[2] TB10003-2005, Code for Design on Tunnel of Railway Tunnel[S]. (in Chinese)
[3] LU Mei-li. Analysis on Influencing Factors for Internal Force of Railway Tunnel Lining[J]. Tunnel Construction, 2009, 29(1):33-37. (in Chinese)
[4] LI Peng-fei, ZHANG Ding-li, ZHAO Yong, et al. Study of Mechanical Characteristics of Secondary Lining of Large-section Loess tunnel[J]. Chinese Journal of Rock Mechanics and Engineering, 2010, 29(8):1690-1696. (in Chinese)
[5] SONG Ke-zhi, WANG Meng-shu. Influence of Elastic Resistance of Wall Rock on Tunnel Lining Internal Forces[J]. Hydrageology and Engineering Geology, 2013, 40(1):79-82. (in Chinese)
[6] CHEN Jian-xun, OUYANG Yuan-ping, WANG Ming-nian. Numerical Computing and Analysis of highway Tunnel Composite Lining Structure[J]. China Journal of Highway and Transport, 2006, 19(2):74-79. (in Chinese)
[7] ZHAO Zhan-chang, XIE Yong-li, YANG Xiao-hua, et al. Observation Research on the Mechanical Characteristic of Highway Tunnel Lining in Loess[J]. China Journal of Highway and Transport, 2004, 17(1):66-69. (in Chinese)
[8] XU Lin-sheng. Mechanical Monitoring and Analysis on Composite Lining Structure of Highway Tunnel with Large Cross section[J]. Journal of Chongqing Jiaotong University:Natural Science Edition, 2009, 28(3):528-530. (in Chinese)
[9] JIN Xiao-guang, LI Xiao-hong. Study on Mechanical Properties of Support Structure of Deep Buried Tunnel Soft and Weak Surrounding Rock in High Situ Stress Area[J]. Journal of Highway and Transportation Research and Development, 2008, 25(2):101-105. (in Chinese)
[10] ZHAO Yu, PENG Hai-you, LU Yi-yu. Study on Nonlinear Dynamic Character of Interaction between Surrounding Rock and Support Structure of Deep Buried Tunnel[J]. Journal of Highway and Transportation Research and Development, 2009, 26(11):98-102. (in Chinese)
[11] ZHAO Xiao-hua, SUN Hang, ZHANG Xie-dong, et al. Sensitivity of Structural Parameters of PC Girder Bridge to Mechanical Property at Maximum Cantilever Stage[J]. Journal of Highway and Transportation Research and Development, 2011, 28(11):95-99. (in Chinese)
[12] WEI Dao-xin. Sensitivity Analysis of Asphalt Pavement Structure Responses under Multi-wheel Loads[J]. Journal of Highway and Transportation Research and Development, 2010, 27(12):21-27. (in Chinese) |
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2014, Vol. 8 
