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Mathematical Problems in Engineering
Volume 2012 (2012), Article ID 640854, 14 pages
http://dx.doi.org/10.1155/2012/640854
Research Article

Analysis of a T-Frame Bridge

1Faculty of Civil Engineering and Architecture, Zhejiang University of Technology, Hangzhou 310014, China
2Shanghai Municipal Engineering Design and Research Institute, Shanghai 200092, China
3Department of Civil Engineering, Zhejiang University, Hangzhou 310027, China
4College of Civil Engineering, Tongji University, Shanghai 200092, China

Received 30 May 2012; Accepted 6 August 2012

Academic Editor: Sheng-yong Chen

Copyright © 2012 Pengzhen Lu et al. 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.

Abstract

The structural behavior of T-frame bridges is particularly complicated and it is difficult using a general analytical method to directly acquire the internal forces in the structure. This paper presents a spatial grillage model for analysis of such bridges. The proposed model is validated by comparison with results obtained from field testing. It is shown that analysis of T-frame bridges may be conveniently performed using the spatial grillage model.