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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: Polymer-Modif ied Concrete for Overlays: Strength and Deformation Characteristics
Author(s): Jitendra K. Bhargava
Publication: Special Publication
Appears on pages(s): 205-218
Keywords: compressive stre
properties; deformation; mi
cast concrete; resurfacing;
tensile strength; thermal s
ngth; concrete cconstruction; creep
polymer c o n c r e t e ; pre-shrinkage;
Abstract:Problems such as raised edges, "blow-ups" or even cracking have been observed in concrete overlays cast on precast concrete elements. These failures are due to the shrinkage, creep and thermal effects in the new concrete. To improve the perfor-mance of concrete in such slabs the tensile and shear strain ca-pacity of concrete has to be improved. This report gives the results of different tests made to study the effect of polymer modification on the properties of concrete. Both the strength and deformation characteristics of concrete under different kinds of loading were significantly improved by polymers. With its higher tensile and shear strength, and lower shrinkage, polymer-modified concrete should be a viable and attractive alter-native for concrete overlays and similar constructions.
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