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Mathematical Problems in Engineering
Volume 2018, Article ID 2592613, 13 pages
https://doi.org/10.1155/2018/2592613
Research Article

A Finite Segment Method for Skewed Box Girder Analysis

School of Civil Engineering, Shenyang Jianzhu University, Shenyang 110168, China

Correspondence should be addressed to Junlong Zhou; moc.361@02814398831

Received 21 November 2017; Accepted 9 January 2018; Published 13 February 2018

Academic Editor: Roman Lewandowski

Copyright © 2018 Xingwei Xue 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

A finite segment method is presented to analyze the mechanical behavior of skewed box girders. By modeling the top and bottom plates of the segments with skew plate beam element under an inclined coordinate system and the webs with normal plate beam element, a spatial elastic displacement model for skewed box girder is constructed, which can satisfy the compatibility condition at the corners of the cross section for box girders. The formulation of the finite segment is developed based on the variational principle. The major advantage of the proposed approach, in comparison with the finite element method, is that it can simplify a three-dimensional structure into a one-dimensional structure for structural analysis, which results in significant saving in computational times. At last, the accuracy and efficiency of the proposed finite segment method are verified by a model test.