Abstract
Vertical static loading tests were carried out on two kinds of continuous span concrete composite slabs with beam and slab connected by studs and open-hole folding plate connectors. Combined with the test results, on the basis of the analysis of load–deflection curves and load-reinforcement strain curves, the finite element software ABAQUS was used for the numerical study of the continuous span concrete composite slabs. The plate thickness, concrete strength, thickness of the shear key and slab span has carried on the finite element analysis. The results show that the strength of the concrete and the thickness of the shear bond have little effect on the flexural performance of the continuous span concrete composite slab, but the shear bond can strengthen the connection between the slab and the steel beam and reduce the sliding and lifting of the composite slab on the steel beam. The slab thickness and slab span have a great influence on the flexural performance of continuous span concrete composite slabs. The peak load of the specimen increases with the increase of slab thickness and decreases with the increase of slab span. This study will provide a theoretical basis for future design and engineering application of composite slabs.
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