Experimental Study of the Headed Stud Connectors in Composite Structure

Abstract

Steel–concrete composite members have been widely used in the construction of high-rise building. The parameters which affect the composite action between steel and concrete are the strength of the connectors and concrete strength. In this study, the push-out test was conducted to find the strength and stiffness of the stud connectors embedded in the solid concrete slab and concrete slab with decking sheet. Four numbers of push-out specimens were made with one or two stud connectors. The failure was observed on the surface of the concrete slab. The load–slip behaviour and shear capacity of the stud connectors on the solid slab with or without decking sheet were calculated and compared with current codes of practice. There was a good agreement between the shear strength obtained using experimental study and codal equations.