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本文基于工作实践,分析了当前我国交通运输业迅速发展后桥梁特别是市政桥梁经一段时间运营后出现的各种灾害亟需改进桥梁修建技术的迫切性以及当前体外预应力技术的发展以及在市政桥梁加固中的应用现状,并着重介绍了做好体外预应力索,锚具等的防腐保护以及检查工作,保证市政桥梁安全,加紧动态特性对体外预应力结构的影响,促进体外预应力技术更好的发展,开发新型预应力结构材料,提高预应力结构各项力学性能的具体方法和应用。
Based on the work practice, this paper analyzes the urgent need of improving the bridge construction technology after the rapid development of the transportation industry in our country, especially after the urban bridges are operated for a period of time. And the current development of the external prestressing technology, The application status of bridge reinforcement is introduced. The anticorrosive protection and inspection work of external prestressing cables, anchors and so on are emphatically introduced to ensure the safety of municipal bridges and bridges and to intensify the influence of dynamic characteristics on external prestressing structures, and promote the application of external prestressing technology Good development, development of new prestressed structural materials, improve the mechanical properties of prestressed concrete methods and applications.