Corrosion: Environments and Industries
Corrosion in Bridges and Highways
Bridges and highways are core components of transportation system and range from pavements with earth, gravel, or stone covered by a thin bituminous surface course to a continually reinforced Portland cement concrete (PCC) roadway with or without a bituminous wear course. This article provides information on bridges and dowels and the reinforcement used in PCC roadways that suffer from corrosion. An overview is provided on the rise in awareness of the corrosion issues affecting bridges and highways. The chemistry and structure of concrete and its role as an electrolyte in promoting corrosion are also discussed. The article addresses reinforcement, including conventional, prestressed, cable stays, and corrosion-resistant reinforcement. It deals with the electrochemical methods for the inspection and corrosion control of embedded reinforcement. The article also reviews the corrosion of metal bridges and corrosion control, including the use of weathering steels and coating systems.
Jack Tinnea, Lianfang Li, William H. Hartt, Alberto A. Sagüés, Frank Pianca, Bryant “Web” Chandler, 2006. "Corrosion in Bridges and Highways", Corrosion: Environments and Industries, Stephen D. Cramer, Bernard S. Covino, Jr.
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