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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: Integrating the Design for Safety and Serviceability
Author(s): M. Z. Cohn an Z. Lounis
Publication: Special Publication
Appears on pages(s): 45-68
Keywords: cracking (fracturing); crack propagation; deflection; safety; limit state design; moment distribution; safety; serviceability; stress analysis; stresses; Design
Abstract:An approach that integrates serviceability control with the ultimate limit state (ULS) design is presented. Each serviceability limit (SLS) is related to an amount of moment redistribution that corresponds to the permissible values of the crack widths, deflections, and stresses under service conditions. A design that simultaneously satisfies the specified ULS and SLS criteria may be obtained if the assigned moment redistribution percentages y do not exceed the recommended redistribution limits for serviceability control. The proposed approach integrates all relevant design criteria via the moment redistribution percentage y, and may be used within the framework of ACI 318-89 or other standard codes. The approach allows a direct extension to existing nonlinear, multicriteria, and optimal design methods.
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