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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: Behavior of Prestressed Concrete Beams Under Simulated Moving Loads
Author(s): James G. MacGregor, Chester P. Siess, and Mete A.Sozen-
Publication: Journal Proceedings
Appears on pages(s): 835-842
Keywords: beams, bridges, cracking, dynamic load, prestressed beams, prestressed concrete, research, shear strength, web reinforcement.
Abstract:Seven simply supported pestressed concrete beams were tested under a moving load simulated by the application of a single concentrated load successively at 11 load locations uniformly spaced along the span. The magnitude of the moving load was increased after each traverse of the span. The development of flexural and inclined cracking was similar to that in beams tested under stationary loads and empirical expressions presented in an earlier paper to predict inclined cracking and ultimate loads for prestressed beams were found to apply to the case of moving loads.
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