5-7 December 2018 - Hong Kong, China

CONFERENCE PAPERS

Ninth International Conference on Advances in Steel Structures (ICASS 2018)


STUDY ON SLAB TRANSVERSE MOMENT DISTRIBUTION

IN TWIN GIRDER CROSS-BEAM COMPOSITE BRIDGE

 

Da Xiang1*, Yuqing Liu1, Xiaoqing Xu2

1Department of Bridge Engineering, Tongji University, Shanghai, China

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2College of Civil Engineering, Chongqing University, Chongqing, China

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DOI:10.18057/ICASS2018.P.041

ABSTRACT:

In twin girder cross-beam composite bridges, the structural characteristics of steel girders may have effect on the transverse moment distribution of concrete slabs. In this paper, finite element analysis of an actual composite bridge was conducted to study the transverse moment distribution of concrete slabs subjected to a linear uniform load. The impacts of the spacing of headed studs at the steel-concrete interface were also investigated. Then a frame model constrained by springs was introduced to explore the mechanism of the transverse moment distribution of concrete slabs. The results show that the transverse flexural stiffness of steel girders, mainly determined by the layout of crossbeams and the vertical stiffeners, is the major influencing factor on the moment distribution. The spacing of headed studs also slightly affects the moment distribution since the connectors could change the rotational constraints on slabs provided by steel girders. The comparison between FEA results and the frame model method proves that the proposed frame model could obtain accurate results for predicting the transverse moment distribution.

Keywords:

Steel-concrete composite bridge; Transverse moment distribution; Finite element analysis; Frame model

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IMPORTANT DATES

First call for paper:
1 January 2018
Abstract submission: (CLOSED)
1 April 2018
Notification of abstract acceptance:
on or before 16 April 2018 
Full paper submission: 
15 July 2018
Online Registration Begins:
1 August 2018
Notification of full paper acceptance:
31 August 2018
Early bird registration:
on or before 7 September 2018
Online Registration Closes:
31 October 2018
Announcement of programme:
1 November 2018
ICASS2018 December 05, 2018 08:00 AM Time's Up