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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: Assessment of the Effectiveness of Curing on the Durability of Reinforced Concrete
Author(s): B. K. Marsh and M. A. Ali
Publication: Special Publication
Appears on pages(s): 1161-1176
Keywords: carbonation; compressive strength; concretes; corrosion; curing; deterioration; durability; exposure; performance; permeability; sorptivity; reinforced concrete; specifications; tests; Materials Research
Abstract:Paper describes a number of research programs on assessment of the effectiveness of practical on-site curing techniques; in addition, it reviews the need for curing of structural concrete, for which carbon-induced corrosion of reinforcement is the most likely cause of deterioration. It is demonstrated that, while compressive strength of small specimens such as 11- or 150-mm cubes are sensitive to curing, the same has not been shown true in larger elements. Carbonation depths from 4-year exposure tests for a range of concrete types suggest that the influence of ambient conditions in a temperate climate may be greater than that of most curing methods, even when the concrete is sheltered from rainfall. Limitations on the validity of the use of small specimens and water storage to assess the effect of curing, or predict the performance of concrete, are discussed, together with the possibility of developing a suitable in situ test for curing effectiveness. It is concluded that, except in conditions of very dry air, little evidence was found of easily measurable curing effects on durability-related properties of formed surfaces, in temperate climates, for concretes made with normal portland cement in conditions where carbonation-induced corrosion is the most likely form of deterioration.
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