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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: Dynamic Tests of Reinforced Concrete Columns
Author(s): Kenneth F. Reinschmidt, Robert J. Hansen and Cheng Y. Yang
Publication: Journal Proceedings
Appears on pages(s): 317-334
Abstract:Static and dynamic tests to failure were performed on 205 reinforced and plain concrete columns with slenderness ratios (f/t) from 3 to 25, under concentric and eccentric loads. In general, the results of these tests compare well with the ACI column formulas, except for very long columns (L/t = 25), if the static strengths of concrete and steel are replaced by corresponding dynamic strengths which depend on the rate of loading. The results indicate that, for loads similar to those obtained experimentally, the dynamic columns are about 30 to 40 percent stronger than corresponding columns loaded statically, and that the effects of all inertial forces are negligible, except for very slender (L/r= 25) columns, which are 70 to 100 percent stronger when tested dynam-ically than when tested statically.
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