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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: Deflection Control of Slabs Using Allowable Span to Depth Ratios
Author(s): R. I. Gilbert
Publication: Journal Proceedings
Appears on pages(s): 67-72
Keywords: building codes; concrete slabs; deflection; flat concrete plates; flat
:, concrete slabs; reinforced concrete; serviceability; span-depth ratio; structural
1, design; two-way slabs.
Abstract:A simple, design oriented procedure for the control of deflection in reinforced concrete slab systems is proposed. A rational and reliable expression for the maximum allowable span to depth ratio for beams, proposed recently by Rangan, is extended to the entire range of reinforced concrete flexural members including two-way, edge-supported 1 slabs; flat slabs; and flat plates. The data used for the calibration of the procedure were obtained from an extensive series of computer experiments with reinforced concrete slabs conducted using a nonlin-1 ear, finite element model. The techniques are illustrated by example and a comparison with available field measurements of in-service slab behavior is made.
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