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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: Statistical Evaluation of Minimum Thickness Provisions for Slab Deflection Control
Author(s): Raul Bertero and Agustin Bertero
Publication: Structural Journal
Appears on pages(s): 1659-1670
Keywords: deflection control; minimum thickness; serviceability; two-way slabs
Abstract:Minimum thickness provisions are widely used in engineering practice to comply with the serviceability requirements for two-way slabs without calculating the expected deflection under service conditions. However, concern has been raised about the effectiveness that the 45-year-old provisions in ACI 318 have in controlling slab deflections within the permissible values. Using the finite element method and the provisions of ACI 318-14, this paper evaluates from a statistical standpoint the computed deflections of two-way slabs designed to comply with the minimum thickness requirements in ACI 318-14. Based on the results, recommendations are made for future revisions of the Code.
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