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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: A Two-Phase Approach to the Prediction of the Punching Strength of Slabs
Author(s): Adrian E. Long
Publication: Journal Proceedings
Appears on pages(s): 37-45
Keywords: columns (supports); concrete slabs; failure;flexural strength;punching shear; reinforced concrete;shear strength; slabs;statistical analysis;structural analysis; structural design.
Abstract:By simplyfying reported analytical procedures, which take into consideration the interaction of flexural and shear effects, formulas have been derived for predicting the punching capacity of slabs at interior columns. These formulas are at present limited in application to istropically reinforced square slabs which are supported on square columns. However, because of their analytical bases, their extension to slabs with various properties and boundary conditions should be readily facilatated. Application to revelent test results reportes in the liturature indicates that the formulas respresent a significant improvement over previous methods which are largely empiracally based. In addition when compared to present code methods the proposed procedure is much more consistant and accurate.
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