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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: Long-Term Deflection of Reinforced Concrete Flat Slabs and Plates
Author(s): P. J. Taylor and J. L. Heiman
Publication: Journal Proceedings
Appears on pages(s): 556-561
Keywords: concrete slabs: cracking (fracturing) ; creep properties; deflection; flat concrete plates: flat concrete;slabs; floors; loads (forces); load tests (structural); reinforced concrete; shrinkage: structural analysis: structural design.
Abstract:To enable structural designers to make more accurate assessments of the long-term deflection performance of reinforced concrete flat slabs and plates, the deflections of several actual slabs were measured for up to 9 years, and the results were compared with calculated values. It was found that the measured values were up to five times the values calculated by normal methods. A more accurate method of calculation was developed. This paper provides additional research information for one previous investigation, and summarizes others for the purposes of comparison.
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