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Advances in Civil Engineering
Volume 2017, Article ID 3295303, 15 pages
Research Article

Load Capacities of Steel and Concrete Composite Bridge Deck Slab with Haunch

1School of Civil Engineering, Chongqing University, Chongqing, China
2Department of Bridge Engineering, Tongji University, Shanghai, China

Correspondence should be addressed to Yuqing Liu; nc.ude.ijgnot@lqy

Received 29 August 2017; Accepted 18 October 2017; Published 24 December 2017

Academic Editor: Luigi Di Sarno

Copyright © 2017 Xiaoqing Xu and Yuqing Liu. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


An innovative steel and concrete composite bridge deck slab using bent bars and epoxy as shear connectors was proposed. Four slab specimens with different types of concrete were fabricated and tested to study the load capacities of positive and negative moment regions of the slabs. The cracking and ultimate loads of the specimens were recorded and compared with the results calculated through the reinforced concrete theory and with the design load of the bridge deck slab. It was found that reinforced concrete theory can generally be applied for the proposed slab as well. The effectiveness of the shear connector design of the proposed slab was validated. Meanwhile, the unfavourable effect of the haunch on the shear capacities of the positive moment region of steel and concrete composite bridge deck slab was observed.