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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.
Showing 1-5 of 21 Abstracts search results
January 1, 1979
Armand H. Gustaferro
The fire endurance of a floor, roof, wall, beam, or column is determined from results of standard (ASTM E119) fire tests. Standard fire tests have served the public and industry well but they have shortcomings and are expensive. Analytical and experimental research has led to the development of analytic methods for determining the fire endurance to concrete structures. Basic concepts of these methods, called rational design procedures, are discussed. An example to problem is used to illustrate the procedure.
W. Gene Corley
This paper describeds design provisions for shear in two-way slabs. Specifically, requirements of Chapter 11 of the 1971 ACI Building Code (1) are discussed. To assist in understanding the design procedure, the history of these provisions and test data that form the basis for some of the requirements are described.
A comparision of ACI and CEB approaches to shear and torsion recommendations is presented. The author discusses the application of safety factors; shear resistance of members without shear reinforcement; reinforced concrete members with shear reinforcement; the effect of shear cracking on forces in the main reinforcement; shear resistance of concrete in short shear spans; prestressed concrete; equilibrium and compatiability torsion; designing reinforcement for torsion; and designing for combined loadings
The developments, relating to structural safety, which have taken place in recent years are reviewed with particular reference to the activities of the Joint Committee on Structural Safety. The interpretation of these developments in code of practice form is discussed and suggested clauses presented.
Eugene P. Holland
This paper compares the provisions of the American Concrete Institute "Building Code Requirements for Reinforced Concrete" (ACI 318-71) and the Comite Europeen du Benton (hereinafter referred to as ACI and CEB respectively) as they relate to design requirements for shear in slabs. The comparisions are based on the material presented by Corely (1) and Nielsen (2). Basically, the same research has been used by both code writing bodies in formulating their provisions. Therefore, differences in the comparison are the result of interpretation of the research and/or philosophy on resistance and load factors.
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