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Steel and Composite Structures Volume 20, Number 2, February 2016 , pages 447-468 DOI: https://doi.org/10.12989/scs.2016.20.2.447 |
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Structural behavior of non-symmetrical steel cable-stayed bridges |
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Juan J. Jorquera-Lucerga, Jose A. Lozano-Galant and Jose Turmo
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| Abstract | ||
| Despite of the growing number of built examples, the analysis of non-symmetrical cable-stayed bridges has not received considerable attention from the researchers. In fact, the effects of the main design parameters in the structural behavior of these bridges are not addressed in detail in the literature. To fill this gap, this paper studies the structural response of a number of non-symmetrical cable-stayed bridges. With this aim, a parametric analysis is performed to evaluate the effect of each of the main design parameters (the ratio between the main and the back span length, the pylon, the deck and backstay stiffnesses, the pylon inclination, and the stay configuration) of this kind of bridges. Furthermore, the role of the geometrical nonlinearity and the steel consumption in stays are evaluated. | ||
| Key Words | ||
| non-symmetrical cable-stayed bridges; parametric study; design parameters; steel bridge; design guidelines | ||
| Address | ||
| (1) Juan J. Jorquera-Lucerga: Department of Civil Engineering, Polytechnic University of Cartagena, Paseo Alfonso XIII 52, 30203, Cartagena, Spain; (2) Jose A. Lozano-Galant: Department of Civil Engineering, University of Castilla-La Mancha, Av. Camilo Jose Cela SN 13071, Ciudad Real, Spain; (3) Jose Turmo: Department of Civil and Environmental Engineering, Universitat Politècnica de Catalunya, BarcelonaTech, C/Jordi Girona 1-3, Edif B1, 08034 Barcelona, Spain. | ||