摘要
体外预应力技术是加固既有钢筋混凝土桥梁结构最有效的方法之一。文中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 ;介绍体外预应力加固的适用范围。
External prestressing is one of the most effective methods to strengthen bridge. In this paper, the conception?system and mechanical characteristic of external prestressing structure are introduced;applying range?designing principle and calculating method about external prestressing are discussed.
出处
《交通科技》
2002年第6期38-41,共4页
Transportation Science & Technology
