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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Holistic Approach to Corrosion of Steel in Concrete
Author(s): N. S. Berke, M. C. Hicks, J. J. Malone, and K. A. Rieder
Publication: Special Publication
Appears on pages(s): 137-156
Keywords: chloride ingress, concrete, corrosion, durability, fibers, life-cycle cost, shrinkage reducing admixture
Abstract:Concrete is the most widely used construction material in the world with over 8 billioin tons of it being produced yearly. Much of this concrete is steel reinforced since the concrete/steel composite has improved ductility over concrete alone, and the concrete provides a protective environment for the steel. However, reinforced concrete must be used in severe corrosive environments such as found in marine and deicing salt applications. The ingress of chloride leads to corrosion of the steel resulting in early repairs of the structure. The subsequent costs are over $50 billion/year in the United States, and represent a major drain on infrastructure resources throughout the world. In this paper the use of improved concrete designs to control corrosion of steel in concrete are addressed. These designs incorporate the use of low permeability concrete, corrosion inhibiting admixtures, reduced shrinkage and increased toughness with fiber reinforcement. It is demonstrated that this holistic approach to the concrete design provides a lower life-cycle cost.
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