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Steel and Composite Structures
  Volume 8, Number 5, October 2008, pages 361-388

Experimental and analytical behaviour of composite slabs
Emanuel Lopes and Rui Simoes

    The Eurocode 4 presents some negative aspects in the design of composite slabs by the m-k Method or the Partial Connection Method. On one hand, the component chemical adherence is not accounted for in the connection between the profiled steel sheet and the concrete. On the other hand, the application of these methods requires some fitting parameters that must be determined by full scale tests. In this paper, the Eurocode 4 methods are compared with a method developed at the Federal Polytechnic School of Lausanne, based on pullout tests, which can be a valid alternative. Hence, in order to calculate the necessary parameters for the three methods, several tests have been performed such as the full scale test described in Eurocode 4 and pull-out tests. This last type of tests is of small dimensions and implicates lower costs. Finally, a full-scale test of a steelconcrete composite slab with a generic loading is presented, with the goal of verifying the analytical formulation
Key Words
    composite slabs; curvature; longitudinal shear; shear span; slip phenomenon; moment-curvature relation; pull-out test; full-scale test; small-scale test.
Emanuel Lopes : Civil Engineering Department, Polytechnic Institute of Castelo Branco, Castelo Branco, Portugal and Rui Simoes ISISE, Civil Engineering Department, University of Coimbra, Coimbra, Portugal

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