Abstract
The design specifications of composite truss, included in the American standard (ASCE), are not covered in the European standards (Eurocodes). In this study, to investigate the behavior of the composite trusses, a finite element (FE) model is developed using the software CAST3M. The influence of various parameters, such as the diameter of the shear connectors, the top chord section, the degree of connection, and the material characteristics, on the behavior of the composite truss and the shear connectors are analyzed. The model shows that the shear connection in the steel-concrete composite truss reduces its deflection by approximately 50% in comparison to the steel truss. The significant influence of the top chord section on the shear forces in the shear connectors was observed.
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