The relationship of steel slippage to shear stress was obtained using a balance limit theory and a pull rod arch model.The loss in normal section bearing capacity as corrosion proceeds is predicted.

• 运用极限平衡理论和拉杆拱模型求出钢筋滑移量与剪应力的关系，从而建立了不同锈蚀程度的钢筋混凝土梁正截面承载力预计模型。