Abstract
In this paper, a simple and computation effective one-dimensional two-node beam element is developed based on the Timoshenko’s beam functions and layered approach for nonlinear finite element analysis of structural behaviour of composite steel/FRP-reinforced concrete beams. Both geometric nonlinearity and material nonlinearity are accounted for in the nonlinear finite element model, and Timoshenko’s composite beam functions are employed to represent the transverse displacement and rotation of the element. The agreement of the computed results for steel and FRP reinforced concrete beams with those obtained from experimental study and other numerical analysis demonstrate the efficiency and accuracy of the proposed element model.
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