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|Title:||Finite element modelling of a cold curved steel plate girder||Authors:||Rishmany, Jihad
|Affiliations:||Department of Mechanical Engineering
Department of Mechanical Engineering
Department of Civil and Environmental Engineering
|Subjects:||Flanges||Issue Date:||2017||Part of:||Inrternational journal of structural engineering||Volume:||9||Issue:||1||Start page:||1||End page:||25||Abstract:||
Cold bending is a cost-effective solution that is sometimes used for curving structural steel girders. Current usage for bridge structures is limited to projects that fall outside the jurisdiction of AASHTO (American Association of State Highway and Transportation Officials) because of the lack of technical knowledge surrounding this technique. This paper presents results from a three-dimensional finite element model to assess the structural behavior exhibited by steel girders during bending for a proprietary cold curving system. A non-linear FE model is validated against measured data obtained from a previously tested girder. The FE model is extended to explore the performance of all structural components of the girder during bending such as deformations in flanges and web, residual stresses and plastic strains. Findings from this paper provide a framework for accurately predicting the cold bent geometry and how to incorporate residual stresses and plastic strains in the design of curved girders.
|Appears in Collections:||Department of Mechanical Engineering|
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