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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: Polymeric Admixtures as Bonding Agent between Tire Rubber and Concrete Matrix
Author(s): A.C. de Albuquerque, N.P. Hasparyk, M.A.S. Andrade, and W.P. de Andrade
Publication: Special Publication
Appears on pages(s): 479-496
Keywords: admixtures; bond; concrete; mechanical properties; scanning electron microscopy; tire rubber
Abstract:In this research, three types of different surface treatments were used: acrylic, vinylic and styrene-butadiene polymeric admixtures in order to improve the bond between rubber and cement. Specimens of concrete were evaluated considering the incorporation of three different sizes of tire rubber, and applied in five treated and untreated contents (5% to 25%), resulting in a total of 31 different conditions of analysis . It was observed that the concrete specimens with incorporating of treated tire rubber had its mechanical behavior improved compared to those without treatment. In addition, rubber particles with 1.5 mm in dimension featured a minor negative influence on the concrete properties when compared to the reference and the ones with 0.42 mm and 4.8 mm particles. Some concrete samples were selected to be analyzed by scanning electron microscopy in order to correlate microstructure with their properties.
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