针对FRP加固结构普遍存在脆性强、延性差的问题,提出预加荷载的方法以及间歇性剥离技术来改善FRP加固结构的延性。为了验证上述两种方法协同作用对于结构延性的增强效果,分别对钢试件和钢筋混凝土结构进行了试验,结果表明,与直接张贴法加固的结构相比,采用预加荷载方法及间歇性剥离技术的FRP加固结构,延性增强了20%~30%。 In order to solve the problem of strong brittleness and poor ductility, the prestressed load method and the intermittent peeling technique are proposed to improve the ductility of FRP reinforced structure. In order to verify the synergistic effect of the above two methods on the structural ductility enhancement, the steel specimens and the reinforced concrete structures were tested respectively. The results show that the preloading method and the intermittent peeling Technical FRP reinforcement structure, ductility increased by 20% to 30%.