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MODERN TUNNELLING TECHNOLOGY 2011, Vol. 48 Issue (5) :82-86    DOI:
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Support Parameter Selection for a Karst Tunnel Treatment Program
（Highway Planning, Survey and Design Research Institute of Sichuan Provincial Communications Department, Chengdu  610041）
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Abstract The reinforcement of shotcrete with steel struts is simulated using the equivalent method of reinforcement bars, and a calculation for the safety factor of the primary support and secondary lining is derived based on the formula for concrete reinforcement bar given in "Manual of Railway Engineering Design-tunnel." The ultimate bearing capacities under different support parameters are calculated. Support parameters are selected by taking the actual condition of the Karst section of a tunnel into consideration.
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TIAN Zhi-Yu
LI Hai-Qing
ZHONG Yong
Keywords： Karst tunnel   Treatment program   Support parameters     
Abstract： The reinforcement of shotcrete with steel struts is simulated using the equivalent method of reinforcement bars, and a calculation for the safety factor of the primary support and secondary lining is derived based on the formula for concrete reinforcement bar given in "Manual of Railway Engineering Design-tunnel." The ultimate bearing capacities under different support parameters are calculated. Support parameters are selected by taking the actual condition of the Karst section of a tunnel into consideration.
Keywords： Karst tunnel,   Treatment program,   Support parameters     
published: 2011-07-27
Cite this article:   
TIAN Zhi-Yu, LI Hai-Qing, ZHONG Yong .Support Parameter Selection for a Karst Tunnel Treatment Program[J]  MODERN TUNNELLING TECHNOLOGY, 2011,V48(5): 82-86
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http://www.xdsdjs.com/EN/      或     http://www.xdsdjs.com/EN/Y2011/V48/I5/82
　
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