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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: Importance of Beam Properties on
Concrete Column Behavior
Author(s): Shriniwas N. Pagay, Phil M. Ferguson, and
John E. Breen
Publication: Journal Proceedings
Appears on pages(s): 808-815
Keywords: beams (supports) ; columns (supports) ; computers; frames; loads (forces) ; mathematical models; reinforced concrete; reinforcing steels; strength; structural analysis.
Abstract:An established computer analysis was used to trace the column and beam behavior up to failure: (1) in unbraced frames under lateral and vertical loads; (2) in braced frames with columns bent in single curvature. The steel ratio in the beams proved to be one of the most important variables influencing the column strength. Beams with minimum reinforcement were very flexible in restraining the ends of the columns and led to column failure at low loads. In many cases the beams hinged to permit frame collapse regardless of stiffness of the columns. Beams with heavy reinforcement led to greatly in- creased column strength. Only a very limited eccentricitv could be introduced into a column from beams with Iiqht reinforcement. Poor judgments as to column strengths can result from failure to include some recognition of the beam reinforcement in frame analysis.
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