为研究界面滑移对组合梁变形的影响,该文以受均布载荷作用的简支组合梁为对象,建立了组合梁界面滑移简化计算模型,推导出钢板与混凝土界面间的相对滑移和截面曲率方程,进而得到组合梁变形的计算公式,该公式反映出了界面滑移与变形之间的相互影响关系。通过与刚度折减法的对比,在载荷和连接件间距较小的情况下,两者较吻合,由于刚度折减法未考虑载荷对界面滑移的影响,计算结果偏于保守。 In order to study the influence of interface slip on the deformation of composite beams, a simplified model of interface slip of composite beam is established for simple supported composite beams subjected to uniform load. The relative slip between the steel plate and concrete interface is deduced. And the cross-section curvature equation, then the formula of composite beam deformation is obtained, which shows the interaction between interface slip and deformation. Compared with the stiffness reduction method, the load and connector spacing are small, the two are in good agreement, because the stiffness reduction method does not consider the impact of load on the interface slip, the calculation results are conservative.