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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: Interaction Model for Causes of Deterioration and Permeability of Concrete
Author(s): P. A. M. Basheer, A. E. Long, and F. R. Montgomery
Publication: Special Publication
Appears on pages(s): 213-232
Keywords: concrete durability; deterioration; diffusion; models; permeability; sorption; Materials Research
Abstract:The deterioration of concrete may be due to corrosion of reinforcement, frost damage (including freezing and thawing), chloride ingress, concrete carbonation, sulfate attack, salt attack, alkali attack, acid attack, alkali-aggregate reaction, or abrasion. Investigation of concrete durability generally consists of either the causes of deterioration or its extent. Quite often, methods used to improve concrete durability aim at preventing deterioration; however, occasionally methods that can limit extent of damage are employed. In this context, and to propose tests that can assess the durability of existing structures, it is essential that a thorough analysis of the various relationships between material properties and deterioration mechanisms is carried out. It is believed that such an analysis would help focus the attention of investigators on the key issues that ultimately determine concrete durability. One of the fundamental properties influencing the initiation and extent of damage is permeation. A simple model for cracking-corrosion-permeability has been proposed. By following a similar approach, a detailed investigation of the causes of deterioration has been carried out and a model for each mechanism relating to the physical properties of concrete has been developed. Paper deals with these models and proposes a single model for all types of deterioration, emphasizing permeation properties. The need for targeting concrete durability in terms of permeation properties (sorptivity, diffusion, and permeability) is also illustrated.
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