The problems associated with the corrosion of steel reinforcing bars embedded in concrete bridge decks is obvious to many of the drivers living in the northern part of the USA. It is manifested by spalling and crumbling of concrete which result in time consuming and expensive repairs. This corrosion is primarily attributable to the aggressive effects of chloride ions from deicing materials [1-2]. Use of the two most commonly applied deicing materials, calcium chloride and sodium chloride, has increased substantially since the early 1960's [3]. Therefore, the premature deterioration of concrete bridge decks has become a pressing problem during the past decade [4].

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