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本文对公路平弯桥重要意义作了一般叙述,并选国外五座平弯桥为例加以说明。本文重点介绍了国外平弯混凝土桥的修建方法,即简支梁施工法、悬臂拼装箱形梁法、步进式模板系统施工法和顶推施工法。此外对平弯桥墩台布置、施工放样测量、支座布置、箱梁块件预制等都作了说明。
This article made a general description of the significance of the road flat curved bridge, and selected five flat curved bridges as an example to illustrate. This paper focuses on the construction method of the concrete bridge with flat bent concrete abroad, namely the construction method of simply supported beam, cantilever assembled box girder method, the step-by-step template system construction method and the push-push construction method. In addition to the flat curved pier piers layout, construction lofting measurement, bearing arrangement, box beam prefabricated, etc. are described.