Effect of Admixtures on the Durability of Concrete in an Undersea Environment

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Title: Effect of Admixtures on the Durability of Concrete in an Undersea Environment

Author(s): S. Nishibayashi, S. Hideshima, S. Negami, and M. Takada

Publication: Special Publication

Volume: 109

Issue:

Appears on pages(s): 481-494

Keywords: admixtures; alkali-aggregate reactions; blast-furnace slag; concrete durability; corrosion; marine atmospheres; reinforcing steels; rusting; underwater structures; Materials Research

Date: 8/1/1988

Abstract:
Effect of chemical and mineral admixtures on the durability of concrete in an undersea environment has been studied. Addition of slag and slag-like materials and water-reducing agent improves the durability of concrete. However, alkali-silica aggregate reaction aggravated by the marine environment and the corrosion of reinforcing steel bars are enhanced. By the addition of rust inhibitors, these effects can be controlled.