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MODERN TUNNELLING TECHNOLOGY 2014, Vol. 51 Issue (2) :43-49    DOI:
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Experimental Study of the Fire-Resistance of Structural Elements of Immersed Tunnels
(1 China Merchants Chongqing Communications Research and Design Institute Co. Ltd., Chongqing 400067; 2 Highway Scientific Survey and Design Institute of Qinghai Province, Xining 810008; 3 Technical Center of Sichuan Road and Bridge Group Co. Ltd., Chengdu 610092)
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Abstract Based on the National Science and Technology Support Plan, a self-designed high temperature ablation test platform was established, and high temperature ablation tests using different fire-resistant technologies (fireproof board and fireproof coating) were conducted considering the characteristics of immersed tunnels by using a 1∶1 local structural element made from C50 concrete. An appropriate fire-resistant scheme for the concrete structure that can withstand fire for 2 hours and meets the requirements of the HC or RABT heating curve is put forward after experimental analysis. In addition, some practical suggestions are presented.
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JIANG Shu-Ping-1
Zhang-恩Qing-2
Guo
JUN 1
Liu
SHUAI 1
Zhang-Zhu-Yong-3
Keywords： Immersed tunnel   Structural elements   High temperature ablation test   Fire-resistance scheme     
Abstract： Based on the National Science and Technology Support Plan, a self-designed high temperature ablation test platform was established, and high temperature ablation tests using different fire-resistant technologies (fireproof board and fireproof coating) were conducted considering the characteristics of immersed tunnels by using a 1∶1 local structural element made from C50 concrete. An appropriate fire-resistant scheme for the concrete structure that can withstand fire for 2 hours and meets the requirements of the HC or RABT heating curve is put forward after experimental analysis. In addition, some practical suggestions are presented.
Keywords： Immersed tunnel,   Structural elements,   High temperature ablation test,   Fire-resistance scheme     
published: 2013-07-27
Cite this article:   
JIANG Shu-Ping-1, Zhang-恩Qing-2, Guo etc .Experimental Study of the Fire-Resistance of Structural Elements of Immersed Tunnels[J]  MODERN TUNNELLING TECHNOLOGY, 2014,V51(2): 43-49
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http://www.xdsdjs.com/EN/      或     http://www.xdsdjs.com/EN/Y2014/V51/I2/43
　
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