Bang Na Expressway-Precast Elements for Segmental Bridge Construction

Thèmes : Ouvrages d'art

The Bang Na Expressway is a 55 km long viaduct in Bangkok, Thailand. With its recent completion in March 2000 it became the longest bridge in the world. The superstructure is entirely composed of precast concrete segments with external post-tensioning. The following text describes the conception and operation of the precast yard as well as special construction problems.

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