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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 Concrete Bridge Deck Overlays
Author(s): M.M. Sprinkel
Publication: Special Publication
Appears on pages(s): 1-10
Keywords: overlays, polymer modified concrete, bridges, decks, latex, silica fume
Abstract:Hydraulic cement concrete overlays made with latex-modified concrete (LMC) and silica fume concrete (SFC) are typically used to extend the life of bridge decks because the overlays reduce the infiltration of water and chloride ions. Rapid concrete overlays can be used to reduce lane closure time and associated traffic congestion and road user costs. LMC prepared with very early hardening cement (LMC-VE) has been used as a rapid overlay for bridge decks in Virginia since 1997. This paper compares the performance of LMC-VE overlays to that of conventional LMC and SFC overlays. Results indicate that LMC-VE overlays are performing as well or better than LMC and SFC overlays. LMC-VE has become a standard overlay for situations in which lane closures cause major traffic congestion. The higher cost of materials for LMC-VE overlays can be off set by lower costs for traffic control. Including user cost savings make LMC-VE overlays even more cost effective.
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