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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: Performance of Structural Lightweight Concrete Made With a Potentially Reactive Natural Sand
Author(s): S.R. Boyd, T.A. Holm, and T.W. Bremner
Publication: Special Publication
Appears on pages(s): 737-746
Keywords: alkali-silica reaction; cement; compressive strength; expansion; lightweight concrete; tensile strength
Abstract:For more than fifty years, a large number of bridge decks and parking structures have been constructed using lightweight concrete. In most cases, the lightweight concrete has been made using a lightweight coarse aggregate and a normal weight sand for the fine aggregate. Some of the natural sands used have been shown to be at least partially susceptible to alkali-silica reaction (ASR). Many of the bridge decks have been in service for at least 30 years and show no outward signs of deterioration due to ASR. A test program was undertaken to determine how concrete made with lightweight coarse aggregate and reactive sand does not show the effects of ASR. Properties measured include expansion, indirect tensile strength and compressive strength. Test results indicate no significant difference in performance between concrete mixes with lightweight coarse aggregate combined with either reactive, non reactive, or lightweight fine aggregate.
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