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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: Effects of Early Age Curing on Durability-Related Properties of Concrete
Author(s): E. Agbasi and N. R. Buenfeld
Publication: Special Publication
Appears on pages(s): 489-508
Keywords: curing; drying; mercury intrusion porosimetry; microstructure; oxygen permeability; portland cement concrete; scanning electron microscopy; transport properties
Abstract:Most previous investigations of the influence of curing on the durability-related properties of concrete are confused by the influence of factors associated with the assessment procedure or type of test specimen. This paper presents an experimental investigation in which every attempt was made to eliminate factors that would otherwise mask the real influence of curing. The transport based testing regime developed allowed cover thickness specimens to he tested sequentially for sorptivity, vapour diffusion and gas permeability. Mercury intrusion porosimetry and scanning electron microscopy were used to investigate the effects of curing on microstructure. In spite of the inherent variability associated with transport tests, the testing regime was effective in discriminating between the short-term effects of the different curing regimes on concrete transport properties. Generally, the effect of w/c was more important than the effect of curing.
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