Title: Z 13 - Performance Criteria for Concrete in Marine Environments

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Publication: CIA

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Date: 2/7/2011

Abstract:
Durability of reinforced concrete in a marine environment can be impaired as a result of corrosion of the reinforcing steel, chemical attack on the concrete, and alkali aggregate reactivity. In Australia, steel corrosion is considered to be the main cause of deterioration of reinforced concrete exposed to marine conditions. This document provides designers and specifiers with guidance on the specification of the quality of concrete cover to minimise corrosion of steel through: ■ A review of the different methods that have been used in Australia to specify 'durability' for concrete structures in marine environments. Thus the issues covered in this document include the various types of parameters that are nominated within a specification for the express aim of achieving appropriate durability. ■ Putting forward recommendations on the 'most suitable' approach currently available to specify durable reinforced concrete in marine environments.