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Journal of Zhejiang University SCIENCE A 2007 Vol.8 No.5 P.682~692

10.1631/jzus.2007.A0682


Approach for analyzing the ultimate strength of concrete filled steel tubular arch bridges with stiffening girder


Author(s):  ZHANG Zhi-cheng, XIE Xu, ZHANG He, CHEN Heng-zhi

Affiliation(s):  Department of Civil Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   jszzc@zju.edu.cn, xiexu@zju.edu.cn

Key Words:  Ultimate strength, Concrete filled steel tubular (CFST) arch bridge, Stiffening girder, Fiber model beam element, Construction process


ZHANG Zhi-cheng, XIE Xu, ZHANG He, CHEN Heng-zhi. Approach for analyzing the ultimate strength of concrete filled steel tubular arch bridges with stiffening girder[J]. Journal of Zhejiang University Science A, 2007, 8(5): 682~692.

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author="ZHANG Zhi-cheng, XIE Xu, ZHANG He, CHEN Heng-zhi",
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pages="682~692",
year="2007",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2007.A0682"
}

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%A ZHANG Zhi-cheng
%A XIE Xu
%A ZHANG He
%A CHEN Heng-zhi
%J Journal of Zhejiang University SCIENCE A
%V 8
%N 5
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%@ 1673-565X
%D 2007
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2007.A0682

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T1 - Approach for analyzing the ultimate strength of concrete filled steel tubular arch bridges with stiffening girder
A1 - ZHANG Zhi-cheng
A1 - XIE Xu
A1 - ZHANG He
A1 - CHEN Heng-zhi
J0 - Journal of Zhejiang University Science A
VL - 8
IS - 5
SP - 682
EP - 692
%@ 1673-565X
Y1 - 2007
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2007.A0682


Abstract: 
A convenient approach is proposed for analyzing the ultimate load carrying capacity of concrete filled steel tubular (CFST) arch bridge with stiffening girders. A fiber model beam element is specially used to simulate the stiffening girder and CFST arch rib. The geometric nonlinearity, material nonlinearity, influence of the construction process and the contribution of prestressing reinforcement are all taken into consideration. The accuracy of this method is validated by comparing its results with experimental results. Finally, the ultimate strength of an abnormal CFST arch bridge with stiffening girders is investigated and the effect of construction method is discussed. It is concluded that the construction process has little effect on the ultimate strength of the bridge.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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[3] Chen, B.C., Wei, J.G., Lin, J.Y., 2006. Experimental study on concrete filled steel tubular (single tube) arch with one rib under spatial loads. Engineering Mechanics, 23(5):99-106 (in Chinese).

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[9] Xie, X., Chen, H.Z., Li, H., Song, S.R., 2005. Numerical analysis of ultimate strength of concrete filled steel tubular arch bridges. Journal of Zhejiang University SCIENCE, 6A(8):859-868.

[10] Zeng, G.F., Fan, L.C., Zhang, G.Y., 2003. Load capacity analysis of concrete filled steel tube arch bridge with the composite beam element. Journal of the China Railway Society, 25(5):97-102 (in Chinese).

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