Publication 453 Duplex stainless steel composite bridges

Publication Year

2025

Document Status

Current

Abstract

This guide provides comprehensive design guidance for duplex stainless steel composite bridges, extending Eurocode provisions to accommodate the unique properties of duplex stainless steels. Recognized for their superior corrosion resistance and high strength, duplex grades enable bridge structures with design lives of up to 120 years and minimal maintenance, even in aggressive environments such as coastal regions or areas exposed to de-icing salts. The guide focuses on multi-girder and ladder deck configurations, detailing material specifications, structural analysis, durability considerations, and fabrication practices.

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