A practical guide to corrosion of atmospheric corrosion resistant steel bridges exposed to de-icing salt : understanding micro-climate effects / Nafiseh Ebrahimi, Marc-Oliver Gagné, Alban Morel and Danick... : NR24-146/2026E-PDF

"Atmospheric Corrosion Resistant (ACR) steel, also commonly known as weathering steel, has become a preferred material for bridge construction across Canada and internationally due to its ability to form a self-protecting oxide layer that reduces maintenance requirements and extends service life. Its benefits include eliminating periodic repainting, minimizing traffic disruption, and providing long-term structural resilience. However, its performance is highly dependent on local micro-climatic conditions, particularly exposure to de-icing salts. Premature corrosion failures in weathering steel bridges are most often caused by environmental and detailing factors rather than material deficiencies. This guide develops a framework for the selection, design, and maintenance of weathering steel bridges suited to Canadian environments, bridging the gap between laboratory corrosion science and practical field application"--Executive summary, page iv.

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publications.gc.ca/pub?id=9.962606&sl=1

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