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Analytical Analysis on Distortion Effect of Twin-I girder BridgeSystems

 Analytical Analysis on Distortion Effect of Twin-I girder BridgeSystems
Author(s): , ,
Presented at IABSE Conference: Bridges and Structures Sustainability - Seeking Intelligent Solutions, Guangzhou, China, 8-11 May 2016, published in , pp. 85-90
DOI: 10.2749/222137816819258267
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Application of twin I-girder bridge structure is very few in China. The structure is designed based on the requirement of bridge industrialization construction. So the structure has typically same ...
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Bibliographic Details

Author(s):


Medium: conference paper
Language(s): English
Conference: IABSE Conference: Bridges and Structures Sustainability - Seeking Intelligent Solutions, Guangzhou, China, 8-11 May 2016
Published in:
Page(s): 85-90 Total no. of pages: 6
Page(s): 85-90
Total no. of pages: 6
Year: 2016
DOI: 10.2749/222137816819258267
Abstract:

Application of twin I-girder bridge structure is very few in China. The structure is designed based on the requirement of bridge industrialization construction. So the structure has typically same spans, same cross section depth, and same cross section width with only two I girders and large deck width. Due to large deck width and weak torsional stiffness of I girders, the effect of distortion is more significant than traditional I girder system. The paper developed parametric study to investigate the distortion behaviour of twin I-girder bridge structure. The results show that it is not reasonable to use transverse distribution coefficient do design twin I-girder bridges. A modified coefficient is required.

Keywords:
distortion twin I girder warping normal stress bending normal stress transverse distribution coefficient