Corrosion of Reinforcing Steel in Concrete Exposed to Marine and Freshwater Environments

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Title: Corrosion of Reinforcing Steel in Concrete Exposed to Marine and Freshwater Environments

Author(s): S. Somayaji, D. Keeling, and R. Heidersbach

Publication: Special Publication

Volume: 122

Issue:

Appears on pages(s): 139-172

Keywords: bridges (structures); buildings; cathodic protection; chlorides; corrosion; efflorescence; marine atmospheres; reinforced concrete; reinforcing steels; sea water; water; General

Date: 6/1/1990

Abstract:
Report presents the results of a multi-year laboratory exposure of more than 150 concrete samples to alternate immersion exposure in flowing sea water and flowing fresh water. Other exposure variables included loading, cracking, and electric currents. The validity of the controlled-exposure samples was determined by comparing the results with the results from selected samples removed from concrete structures throughout the United States. The results from a marine seawall are presented in this report and compared with previously reported results from marine masonry structures, highway bridges, and other structures.