Abstract

This paper presents an analytical study on the ultimate strength of intermediate transverse stiffener in the web plate of horizontally curved girders. Firstly, the shear buckling strength is analyzed by the theory of shallow shell. Secondly, the ultimate shear strength is also inquired through the collapse model. Based upon these analyses and some experimental data, the behaviors of the transverse stiffener are discussed. Finally, a beam-column model for evaluating the strength of the transverse stiffeners is proposed and a design recomendation to determine the strength and corresponding rigidity of the transverse stiffeners of curved girders in the ultimate state is given by this paper.

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