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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: Influence of Curing Conditions on Transport Properties of Blended Cement Concrete
Author(s): V.L. Taus, Y.A. Villagrán, and A.A. Di Maio
Publication: Special Publication
Appears on pages(s): 25-40
Keywords: concrete; curing conditions; durability; hydration; porosity; transport mechanisms
Abstract:Concrete curing is an essential stage in construction in order to obtain an adequate degree of hydration of cement. Frequently, this step is not carried out correctly, but an adequate structure performance depends to a great extent on curing. Nowadays, blended cement concrete (BCC) is used widely in Argentina, despite the lack of long-standing BCC structures constructed to demonstrate adequate servicelife performance. In this paper, the modification of BCC pore structure due to curing treatment is analyzed by evaluation of transport properties in concretes with different w/c and maximum coarse aggregate size. To simulate diverse weather conditions to which the same concrete type may be exposed according to geographical location, different curing conditions were applied during 28 consecutive days. Transport properties evaluated were water permeability under pressure, capillary suction, and chloride ingress rate. Total porosity and 24-h water absorption were also determined. According to the results obtained, a notable influence of curing conditions on the pore structure of BCC was observed, emphasizing the importance of a proper curing on the service life of BCC structures.
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