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对目前桥梁加固方法进行了论述,提出体外预应力加固桥梁的优越性。阐述体外预应力结构的概念与体系,体外预应力结构的力学特征。文章介绍体外预应力加固的适用范围、设计原则及计算方法。
The current bridge reinforcement methods are discussed, put forward the advantages of external prestressed bridge reinforcement. Describe the concept and system of prestressed structure in vitro and the mechanical characteristics of prestressed structure in vitro. This paper introduces the applicable scope, design principles and calculation methods of external prestress reinforcement.