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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: Effect of Advanced Hybrid Admixture on High Strength Concrete
Author(s): K. Saito , M. Kinoshita , K. Okada, and T. Nawa
Publication: Special Publication
Appears on pages(s): 471-486
Keywords: admixture; autogenous shrinkage; high strength concrete; hybrid; polycarboxylate; shrinkage reducing agent; viscosity
Abstract:One-pack hybrid admixture (HSP) combining high fluidity, viscosity-reducing property, and shrinkage-reducing capability for high strength concrete with a target strength of 60 to 150 MPa was developed and examined. HSP showed high fluidity and viscosity-reducing performance, as well as excellent autogenous shrinkage-reducing effect to achieve a reduction in the autogenous shrinkage of 21 to 44% with respect to that of concrete containing a conventional high-range water-reducing admixture. HSP was therefore found to be a simple and effective solution to shrinkage problems for a wide range of high strength concretes.
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