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General Information
Prof. T. Hikmet Karakoc
Anadolu University, Faculty of Aeronautics and Astronautics, Turkey

IJET 2013 Vol.5(6): 689-693 ISSN: 1793-8236
DOI: 10.7763/IJET.2013.V5.643

Application of Influence Lines on Static Analysis of Cable-Stayed Bridges

F. Masoumi and A. Mehrabzadeh
Abstract—Cable stayed bridges are one of the most advanced bridges ever built. This type of bridges geometrically is similar to suspension bridges, but their structural behaviors are so different. In the last decade for bridges with span length (500-1000 m), the cable stayed bridges have been more welcomed. In comparison with suspension bridges, the cable stayed bridges have advantages like the simple construction of foundations. In this paper, for a specific cable stayed bridge three different connection systems including radial, harp and fan are designed and modeled by finite-element software (ANSYS). Based on the results of static analysis of bridges, the elements which have the maximum internal forces are chosen. The influence lines of shear force, axial force of cables and bending moments of selected elements are drawn for three bridge types. The results indicate that, for bridges subjected to high concentrated loads, bridges with radial and fan cables have better structural performance and for bridges subjected to high distributed loads, bridges with harp cables have better performance than the others.

Index Terms—Cable-stayed bridge, influence line, ANSYS

The authors are with the Civil Engineering from Azerbaijan University of Tarbiat Moallem, Iran (e-mail: alvandme@gmail.com).


Cite:F. Masoumi and A. Mehrabzadeh, "Application of Influence Lines on Static Analysis of Cable-Stayed Bridges," International Journal of Engineering and Technology vol. 5, no. 6, pp. 689-693, 2013.

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