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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: Concrete Control On The Pennsylvania Turnpikel
Author(s): I. L. Tyler
Publication: Journal Proceedings
Appears on pages(s): 361-376
Abstract:Deals with problems encountered in controlling quality of paving concrete on a large project, the Pennsylvania Turnpike, constructed in record time. Procedures adopted for maintaining such control are briefly discussed. Suggesting that uncontrolled mixing water has been the important factor in most of the recorded failures of concrete structures, the paper directs particular attention to the phase of construc- tion having to do with its control. Data are presented which indicate that the actual amount of mixing water in concrete may be considerably greater than is gen- erally supposed. Effects of type of concrete placing equipment on quality of concrete and some effects of construction practices and procedures are considered. Suggestions are offered which may be of value in preparing paving specifications.
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