基于钢筋混凝土构件端部锚固钢筋黏结-滑移机理,在Ustuner局部黏结应力-滑移关系的基础上推导出钢筋应力-滑移关系骨架曲线的计算方法.分析了配箍率、混凝土的有效约束宽度、钢筋延伸长度对钢筋应力-滑移关系的影响.将推导的钢筋应力-滑移关系曲线应用于OpenSees有限元软件中,对已有的2根既有钢筋混凝土构件进行有限元模拟,分析结果与试验结果符合良好. Based on the Ustuner local bond stress-slip relationship, the calculation method of the stress-slip relationship of the reinforcement skeleton is deduced based on the bond-slip mechanism of the anchored rebar at the end of the reinforced concrete member.The effect of the stirrup ratio, effective restraint of concrete Width and elongation of rebar on the stress-slip relationship of rebar.The stress-slip relationship between rebar and rebar was applied to the OpenSees finite element software, and the existing two existing RC members were analyzed by finite element method The results are in good agreement with the test results.