5.1 Introduction Shear connection is an important feature in steel- concrete composite construction抗剪连接件是将钢梁与混 凝土板组合在一起共同工作的关键部件。 .If slip at the interface is free to occur,each component (steel beam/concrete slab)will act independently. .If slip at the interface is eliminated,the slab and steel beam will act together as a composite unit.The resulting increase in strength and stiffness depends on the extent to which slip is prevented. .The use of mechanical shear connectors is essential for the satisfactory performance of composite beams. 5.1 Introduction Shear connection is an important feature in steel￾concrete composite construction 抗剪连接件是将钢梁与混 凝土板组合在一起共同工作的关键部件。 •If slip at the interface is free to occur, each component (steel beam/concrete slab) will act independently. •If slip at the interface is eliminated, the slab and steel beam will act together as a composite unit. The resulting increase in strength and stiffness depends on the extent to which slip is prevented. •The use of mechanical shear connectors is essential for the satisfactory performance of composite beams