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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: Safe Shear Design of Large Wide Beams
Author(s): Adam Lubell, Ted Sherwood, Evan Bentz, and Michael Collins
Publication: Concrete International
Appears on pages(s): 66-78
Keywords: Shear strength; size effect; transfer girder; beams; wide beams; ductility.
Abstract:The trend to optimize structures to achieve the lowest possible construction costs, however, often means that only items specifically required by the governing building code will be provided. In this regard, there is concern that the shear design provisions for large, wide beams in the current ACI standard (ACI 318-02) can be unsafe and hence should not be used for such members. We will describe a recent laboratory experiment in which this type of member was loaded to failure and highlight situations where the current ACI 318 shear provisions can be unsafe. Finally, we will give recommendations for the safe shear design of large, wide beams.
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