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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: Basic Reinforced Concrete Frame Performance Under Vertical and Lateral Loads
Author(s): George C. Ernst, Gerald M. Smith, Arvin R. Riveland, and Donald N. Pierce
Publication: Journal Proceedings
Appears on pages(s): 261-269
Keywords: ductility; frames: loads (forces) ; moments; reinforced concrete; reinforcing steels; research; rigid frames; strains; stresses: stress-strain relationships; welding.
Abstract:Tests on fifteen two-hinged frames investigate the performance of continuous reinforced concrete under vertical and lateral loads. Three steel ratios, three spans, two grades of steel, and two steel stress-strain curves provide an insight to the performance of reinforced concrete frames. Actual redistribution of moments can differ significantly from plastic theory, particularly for reinforcement without a yield plateau. The lack of a yield plateau may have-an advantage in resisting lateral loads. Ductility factors based on lateral displacements of a frame were significantly lower than the flexural unit rotation ductility factors for the critical section. Ultimate lateral resistance and distortion of the frames tested were independent of span length. For the frames subjected to vertical loading only, loads for equivalent stress states were inversely proportional to the length of span. Connection details were extremely important, and tack welding of cages inhibited full development of frame ductility.
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