Evaluation of select methods of corrosion prevention, corrosion control, and repair in reinforced concrete bridges
Pritzl, Matthew D.
Wisconsin Highway Research Program
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The objective of this study was to evaluate the effectiveness of selected techniques for corrosion prevention, control, and repair of reinforced concrete bridges. Thirty laboratory specimens were subjected to six months of accelerated corrosion testing that consisted of cyclic wet/dry cycles and an applied regulated voltage. The use of galvanic thermal sprayed zinc, galvanic embedded anodes, sealers, coatings, and epoxy repair mortar was evaluated. The long-term effectiveness of some admixtures and sealers was evaluated on nine different bridge decks across Wisconsin through an extensive analysis of chloride ingress.
Reinforced concrete bridges