Discussion of 'Long-term analysis of steel-concrete composite beams: FE modeling for effective width evaluation' [Engineering Structures 2006;28:1110-21]

摘要

This paper presents a comprehensive work to evaluate the long-term influence of concrete on the shear-lag effect in steel-concrete composite beams, for which rather few tests and numerical studies have been reported. The FE study demonstrates that the effective width is greatly influenced by the analytic models: linear creep (CnSnC model) linear creep with shrinkage (CSnC model) creep with shrinkage and cracking (CSC model). Some numerical results were not well clarified, as discussed in the following.