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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: Prescriptive or Performance Design for Fire?
Author(s): P. J. E. Sullivan
Publication: Special Publication
Appears on pages(s): 13-26
Keywords: design; fire; performance; prescriptive
Abstract:Three approaches to fire design are currently available: (1) The direct application of data from furnace tests on simply supported members heated at the ISO 834 Time/Temperature standard rate. (2) Conventional ultimate limit state design in bending for fire, taking into account idealised material losses in strength at elevated temperatures. (3) Complete analysis of structural members using iterative finite difference or finite element techniques to estimate temperature gradients and determining the resulting stress and strain resultants. Prescriptive design falls into the first category and the thickness of the protective cover to the steel together with the minimum dimensions of the element is tabulated in building codes. Performance design would be carried out by the other 2 methods, where the applied heat impinging the surface due to a fire is assessed, the temperature distribution evaluated and the deterioration determined. This method is more appropriate for important structures with indeterminate members.
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