It has been estimated that the cost of corrosion damage to bridge decks and support structures is in the order of one hundred and sixty to five hundred million dollars annually in the U.S.A. However, this is just a small portion of the overall cost of corrosion of reinforcing steel subject to chlorides: the annual cost of repair to parking garages due to corrosion damage is approximately three to four hundred million dollars annually. No inclusive estimate has been made of corrosion losses on the varied types of reinforced concrete structures.

The author has developed a new and economical method for cathodic protection utilizing thin wire anodes without conductive overlay. This paper discusses the need for cathodic protection for reinforced concrete structures and the application of this new method.

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