Research Article
Jan 1975
Concrete L-Beams Subject to Combined Torsional Loads
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VIEW THE REPLYAuthors: D. Wayne Kirk and David G. McIntoshAuthor Affiliations
Publication: Journal of the Structural Division
Volume 101, Issue 1
Abstract
The experimental results for 40 reinforced concrete L-beam sections subject to combined bending, torsion, and shear are presented. Theoretical methods are derived to predict the cracking and ultimate capacities of reinforced concrete L-beams containing symmetrically and unsymmetrically placed longitudinal steel with stirrups and subject to combined loading. The principal tensile stress criterion with the assumptions of plastic behavior for torsion and elastic behavior for flexure and transverse shear may be used to predict the cracking torque of a section. The provisions of the ACI Building Code and the National Building Code of Canada are conservative for predicting the ultimate capacity of L-beams and require numerous repetitive calculations to analyze a given section.
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Published In
Journal of the Structural Division
Volume 101 • Issue 1 • January 1975
Pages: 269 - 282
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: Jan 1975
Published online: Feb 1, 2021
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D. Wayne Kirk
Assoc. Prof., Dept. of Civ. Engrg., Royal Military Coll. of Canada, Kingston, Ontario, Canada
David G. McIntosh
Formerly, Asst. Prof., Dept. of Civ. Engrg., Kingston, Ontario, Canada
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