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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: Durability of Concrete Containing a Shrinkage-Reducing Admixture
Author(s): M. Sugiyama, K. Tanaka, M. Sakuta, and T. Urano
Publication: Special Publication
Appears on pages(s): 1103-1120
Keywords: admixtures; concrete durability; drying shrinkage; shrinkage; freeze-thaw durability; moisture content; Materials Research
Abstract:The authors have carried out a series of studies on admixtures for reducing drying shrinkage of concrete. Regarding these admixtures, extremely interesting properties were found in a glycol ether derivative that is a water-insoluble, non-air-entraining surface active agent. The following points were revealed: 1) The water-insoluble glycol ether holds down air content of the concrete to less than about 1 percent. 2) Drying shrinkage of concrete is remarkably reduced when this glycol ether derivative is added to concrete. 3) Durability against freezing and thawing of concrete containing this glycol ether derivative is improved extremely by allowing the concrete to dry slightly prior to starting the freezing and thawing test. 4) Although the total volume of air is small, the number of air bubbles present is large because the diameters of the air bubbles are very small.
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