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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: Internal Curing of Concrete Paving:
Laboratory and Field Experience
Author(s): T. Friggle and D. Reeves
Publication: Special Publication
Appears on pages(s): 71-80
Keywords: internal curing; lightweight aggregate
Abstract:The construction of a five-mile section of State Highway (SH) 121 north of Dallas is currently underway by the Texas Department of Transportation (TxDOT) and involves the conversion of a nonfreeway into a freeway facility. This technical paper presents the field experience for mixing, placing,
finishing, and testing of slipform mainline concrete paving, utilizing rotary kiln expanded lightweight aggregate as both an intermediate gradation and as a reservoir to provide water to enhance the cement hydration of a typical paving mix. There is abundant laboratory research on internal curing of concrete including but not limited to numerous studies conducted at the National Institute of Standards and Technology.1 Construction of SH 121 represents the next logical step, following research, taking the laboratory to the field in the form of this major highway project. TxDOT anticipates higher strengths, leading to reduced paste content, reduced drying shrinkage cracking, and possibly less susceptibility to freeze thaw damage.
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