Computational modelling of beams curved in-plan

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Conference Proceeding
Civil-Comp Proceedings, 2010, 93
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This paper presents a computational modelling procedure for bridge beams curved inplan. It includes a curved steel girder, curved concrete deck, partial interaction between the deck and girder in both the longitudinal and the radial directions, geometric non-linearity and shrinkage and creep of the deck using a Maxwell- Wiechert representation. Since much contemporary bridge infrastructure is reliant on predicting very close tolerances to enable high speed travel, a model incorporating these aspects in curved bridges is much needed. The results of the formulation presented are compared with available results reported in the literature. Examples are used to illustrate the effects of initial curvature, partial interaction and geometric nonlinearity on the time-dependent (shrinkage and creep) behaviour of curved beams. © Civil-Comp Press, 2010.
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