Limit Analysis of a Reinforced Concrete Frame


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Title: Limit Analysis of a Reinforced Concrete Frame

Author(s): Rowland Richard, Jr. and Angel L. Lazaro, III

Publication: Journal Proceedings

Volume: 68

Issue: 10

Appears on pages(s): 748-755

Keywords: frames; limit design method; microconcrete; models; reinforced concrete; research; strength; structural analysis

Date: 10/1/1971

This paper is primarily concerned with a test to failure of a very small-scale model of a reinforced concrete frame patterned after that constructed for the new Staten Island Ferry Terminal in lower Manhattan. Results indicate that microconcrete models even at extreme scale factors conform to the ultimate strength provisions of ACI-318-63 and therefore can be used to study collapse behavior even of relatively complicated frames. Checks against analytic predictions from both "mechanism" and "finite linear approximation" strategies confirm that rational limit analysis and design to utilize moment redistribution and the resulting energy absorption capactiy is possible and attractive.