For the best performance of hybrid structures, it is inevitable to combine members made of different materials. Japanese design codes of steel and concrete hybrid structures require mechanical shear connectors to combine the members so that cross sectional forces are transmitted through the connectors. Therefore, it is important to predict accurately the mechanical characteristics of shear connectors. In this context, introducing interface and material nonlinearities, we develop a finite element model which can evaluate the performance of shear connectors.

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