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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: History Interactions and Current Status of the Polymers in Concrete
Author(s): S. Chandra and Y. Ohama
Publication: Special Publication
Appears on pages(s): 483-506
Keywords: bridge decks; durability; freeze-thaw durability; plastics, polymers and resins; polymer concretes; Materials Research
Abstract:Polymers, once used historically in natural form, are today synthetically manufactured. Polymers are used in concrete in varying amounts or may be impregnated into hardened concrete. They interact with cement hydration products and create complexes, influencing the crystallization process during cement hydration and hindering the formation of large calcium hydroxide crystals during C 3S hydration. The mechanism of interaction is extensively reviewed. Polymers produce hydrophobicity in concrete and reduce its permeability. Because of this, the absorption of water, salt solution, and the like are substantially reduced. Subsequently, the corrosion resulting from salt ingress is decreased, extending the service life of the concrete. Durability properties such as freeze-thaw resistance and chemical resistance to inorganic acids are also significantly improved. Use of polymers is well known in the repair of bridges and parking decks, as well as in the restoration and conservation of monuments and historical buildings. Applications of polymer mortar and concrete and their recent developments are reviewed.
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