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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: Shear Toward a Free Edge
Author(s): Edwin G. Burdette and Nikola Zisi
Publication: Concrete International
Appears on pages(s): 56-59
Abstract:The subject of anchorage to concrete is covered in the ACI Building Code, specifically in Appendix D of ACI 318-02. Presented therein are methods for predicting both tensile and shear breakout of single anchors and groups of anchors. The method for calculating breakout strength in shear toward a free edge appears to give reasonable answers for a slab thickness greater than the distance to the free edge. For limited slab thicknesses, however, the method gives results that are unreasonable. This article illustrates the problem through an example and presents possible approaches to a solution.
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