Abstract
A numerical procedure for the analysis of steel and concrete composite beams is herein presented. The program accounts for nonlinear behavior of concrete, steel and shear connectors. In particular the most refined stress–strain constitutive relationships available in the literature can be used in the procedure. For shear connectors an empirical nonlinear load–slip relationship is used. The accuracy and reliability of the program are demonstrated by the analysis of four composite beams over the entire loading range up to failure. The analytical results are compared with the corresponding experimental data with good agreement between them. The reported results demonstrate that the numerical approach is a valid tool for extensive parametric studies on composite beams with complete or partial shear connection.
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