综述了近年来几种旧桥加固技术,对比分析了其各自优缺点,在此基础上总结出桥梁加固工程的几点实际应用原则,以推动桥梁加固技术的不断成熟和完善。 This paper summarizes several strengthening technologies of old bridges in recent years and compares their respective advantages and disadvantages. On this basis, it summarizes some practical application principles of bridge strengthening projects in order to promote the continuous maturity and perfection of bridge reinforcement technologies.