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Evaluating Arkansas Weathering Steel Bridge Performance, Yessenia Gonzalez
Evaluating Arkansas Weathering Steel Bridge Performance, Yessenia Gonzalez
Graduate Theses and Dissertations
Weathering steel enhances corrosion-resistant steel features over conventional steel when a patina properly forms on the weathering steel surface. Weathering steel is a low carbon steel of less than 0.3% carbon by weight and has a chemical composition including other alloying elements such as nickel, copper, and chromium that develops a patina. The patina is a dense protective oxide film layer that develops on the steel member surface. The patina defends the steel from corrosion by preventing moisture, oxygen, and contaminant penetration. However, long periods of moisture and deicing chemicals applied during wet wintry conditions hinder proper patina formation. Without …