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Recent research and development in semi-rigid composite joints with precast hollowcore slabs

By D. Lam


Composite structure incorporating steel beams and precast hollowcore slabs is a recently developed composite floor system for building structures. This form of\ud composite construction is so far limited to simple beam-column connections. Although the concept of semi-rigid composite joints has been widely research in the\ud past, most of the researches have been carried out on composite joints with metal deck flooring and solid concrete slabs. Research on composite joints with precast\ud hollowcore slabs is rather limited. As the construction industry demands for rapid construction with reduction in cost and environmental impacts, this form of composite\ud floor system, which does not require major onsite concreting, has become very popular among the designers and engineers in the UK. In this paper, full-scale tests\ud of beam-to-column semi-rigid composite joints with steel beam and precast hollowcore slabs are reported. Based on the tests data; the structural behaviour of these semi-rigid composite joints is discussed together with numerical and finite element modelling. Through parametric studies, an analytical model for the semirigid composite joints is proposed and is verified by both the experimental data and\ud finite element model; and good agreement is obtained

Publisher: American Institute of Steel Construction
Year: 2008
OAI identifier: oai:eprints.whiterose.ac.uk:8472

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