Effect of stiff hangers on the longitudinal structural behavior of tied-arch bridges
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Área de conocimientoIngeniería de la Construcción
PatrocinadoresThe authors wish to thank the Universidad Politécnica de Cartagena (UPCT, Spain) for the funding provided, through the research project 2007_2420, directed by the second author. In addition, the authors wish to thank the Seneca Foundation (Murcia Region, Spain), for the funding of the first author’s research scholarship (FPI).
Fecha de publicación2018-02-09
Cita bibliográficaGarcía-Guerrero, J.M.; Jorquera-Lucerga, J.J. Effect of Stiff Hangers on the Longitudinal Structural Behavior of Tied-Arch Bridges. Appl. Sci. 2018, 8, 258.
Revisión por paresSi
Palabras claveBridge engineering
In the design process of an arch bridge, the designer may decide to stiffen the hangers linking the arch and the deck, usually in order to reduce the internal forces or the deflections. In this paper, the effect of stiffened hangers on the longitudinal in-plane structural behavior of arch bridges is studied. Then, the effect of the stiffness of the hangers and the relevance of the arch–deck relative stiffness are shown. The paper also describes how stiff hangers with a hinge—either at the bottom or the top—combine very high structural efficiency and ease of execution. Once the advantages of stiff hangers are described and a possible drawback is highlighted. The problem may arise for stiffened hangers, as the bending moments near the ends of the deck might become more adverse for symmetrical load cases than for asymmetrical load distributions, as this usually occurs in arch bridges. To address this problem, this paper suggests a novel solution by designing a combination of fixed and pinned ...
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