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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: Rapid Strength Concrete for Rehabilitation of Transportation Infrastructure
Author(s): B. Stein, R. Ryan, Y. Bu, and K. Vallens
Publication: Special Publication
Appears on pages(s): 93-106
Keywords: Concrete; accelerated strength development; calcium sulfoaluminate cement; portland cement
Abstract:One of the important objectives of enhancing the sustainability of concrete construction consists of reducing the unwanted rebuilding of the same and extending the service life of buildings, structures and pavements. Proper maintenance, preservation and rehabilitation practices extend service life and improve structural and functional performance of transportation infrastructure. Minimization of impact on traffic is an important requirement for selecting materials and methods of maintenance and repair. Use of rapid strength concrete (RSC) that develops compressive strength of 2500 - 3500 psi (17.2 – 24.1 MPa) in 1.5 – 5 hours is one solution for reducing the duration of closures of highways and structures during repairs. The paper discusses: (i) Principles of proportioning of RSC; (ii) Performance of RSC; (iii) State-of-art practices; and (iv) Performance specifications for RSC.
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