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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: Materials Dominated Aspects of Design for Structural Fire Resistance of Concrete Structures
Author(s): John W. Dougill
Publication: Special Publication
Appears on pages(s): 151-176
Keywords: concrete slabs; continuous beams; fire resistance; pore
water pressure; reinforced concrete; spalling; structural design;
thermal expansion; thermal stresses.
Abstract:The behaviour of concrete and reinforced concrete are examined in the context of rational design for fire resistance. Links with plasticity theory are noted together with the requirements for ductility in Structures designed using these concepts. It is concluded that current methods of rational design are most applicable when structural behaviour is determined by the action of the steel in tension at high temperatures. In considering the limitations of the method, doubts are expressed on extensions to compression loading and shear where the problems of detailing the reinforcement for adequate ductility are more difficult. The problem of local failure by spalling is also considered with different mechanisms being identified and results presented for pore pressures developed during heating. The paper concludes with a pragmatic philosophy for design in which a defensive view of bond, local damage and compression failure is to be adopted within an overall framework of rational design and knowledge from full scale tests.
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