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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: Warping of Reinforced Concrete Due to Shrinkage
Author(s): Alfred L. Miller
Publication: Journal Proceedings
Appears on pages(s): 939-950
Keywords: no keywords
Abstract:Objectionable deflections and deformations of structural elements, espocially relatively thin slabs and shallow beams of buildings, usually are ascribed to faulty workmanship or materials, creep, and plastic flow when in fact they are evidence of warping. Warping due to temperature and moisture differentials is generally recognized but the effect of shrinkage has been relegated to the realm of uncertainty by attributing it to creep or plastic flow. Experimental investigation reveals that warping of reinforced concrete mem-bers due to shrinkage during the period of seasoning is an inherent characteristic of reinforced concrete that can be anticipated and controlled. A realistic theory is developed by which the amount of warping can be predicted and provision made for its reduction or elimination.
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