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本文回顾了英国预应力混凝土公路桥的历史,并对1940年以来修建的跨径小于30m和30m以上的桥梁发展进行了讨论。对大跨桥的架设方法也进行了简要叙述。并把这些成绩和欧洲大陆及美国的进行比较。而且对设计规范的演变,现存的问题及前景也做了讨论。
This paper reviews the history of British PCCBs and discusses the development of bridges constructed since 1940 that span less than 30m and greater than 30m. The erection method of the long-span bridge has also been briefly described. And compare these scores with those of the European continent and the United States. It also discusses the evolution of design codes, existing issues and prospects.