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Title: Cathodic Protection for Reinforced Concrete Structures

Author(s): Kenneth C. Hover

Publication: Symposium Paper

Volume: 85

Issue:

Appears on pages(s): 175-208

Keywords: bridge decks; cathodic protection; concrete durability; corrosion; deterioration; evaluation; parking structures; rein-forced concrete; reinforcing steels; renovating.

DOI: 10.14359/6541

Date: 4/1/1985

Abstract:
The use of Cathodic Protection, or the application of an electrical potential difference to reinforcing steel in concrete, has proven to be an effective means of controlling the corrosion of the steel and the subsequent deterioration of the concrete. Although this method has been successfully applied to metal structures of many types including offshore structures, the hulls of ships, and buried pipelines, the use of cathodic protection in reinforcing steel is a relatively new approach. Part I of this paper traces the development of cathodic protection, and describes the principles behind the method. Part II describes the installation, monitoring, and evaluation of a catho-dic protection system installed over a 14,000 SF (1300 m2) portion of a reinforced concrete parking garage in 1977.