Based on the fatigue test for flexural performance of reinforced concrete beam strengthened with aramid fiber reinforced摘要通过芳纶纤维加固钢筋混凝土梁的疲劳试验，得到了钢筋的应变滞回曲线和加固构件的抗弯刚度随循环次数衰减的规律，探讨了芳纶纤维布层数对加固构件疲劳性能的影响。