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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: Strength of Prestressed Concrete Beams With Web Reinforcement
Author(s): James G.MacGregor, Mete A. Sozen, and Chester P. Sless
Publication: Journal Proceedings
Appears on pages(s): 1503-1520
Keywords: beam, cracking, prestressed beam, prestressed concrete, research, shear strength, web reinforcement.
Abstract:Tests were carried out to study the effect of stirrups and draped reinforcement on the shear strength of prestressed concrete beams. Tests of 104 simply supported beams are discussed. The principal variables were the amount, type, and spacing of the stirrups and the profile of the longitudinal reinforcement. Other variables included the shape of the cross section, the prestress level, the amount of longitudinal reinforcement, the concrete strength, and the type of loading. The patterns of behavior observed in the tests are classified and compared with special attention to the manner in which inclined cracking developed and the mode of failure.
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