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随着国家经济建设的快速发展,我国的桥梁工程建设日新月异。通过六十多年的发展振兴,越来越多的桥梁被修建,而且桥梁的跨径、规模、技术难度与造价也在不断攀升。与此同时,越来越多桥梁进入维修的时期,桥梁使用管理工作越来越繁重,也日异显得重要。体外预应力加固桥梁结构是一种效果较好、使用较广的方法。为此,简要介绍了桥梁体外预应力加固的常用方法,以供参考。
With the rapid development of national economy, the bridge construction in our country is changing rapidly. Through the development and rejuvenation of more than 60 years, more and more bridges have been built, and the span, size, technical difficulty and cost of the bridges are also on the rise. In the meantime, more and more bridges are in the period of maintenance and the management of bridge use is becoming more and more heavy. External prestressed reinforcement of the bridge structure is a better, more widely used method. To this end, a brief introduction of the commonly used method of bridge external prestressing reinforcement for reference.