Research Article
Jul 1970
Torsion, Shear, and Bending on Stirruped L-Beams
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 96, Issue 7
Abstract
Test results on reinforced concrete L-beams with closed stirrups under combined torsion, shear, and flexure are reported. Emphasis is placed on beams having less longitudinal steel than required to develop the full potential shear strength of the beams, that is, beams which in the absence of torsion would fail in flexure. Based on test data an interaction surface is defined for L-beams with symmetrical top and bottom steel which checks test results closely. Stiffness in torsion before and after diagonal cracking is examined. The large drop in stiffness after initial diagonal cracking under combined loadings is examined. Measurements of strain show additional stresses in longitudinal bars resulting from torsion, but stresses of significance only after diagonal cracking. The total demand for longitudinal steel is perhaps not as great as the sum of that required for moment and torsion calculated separately.
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Published In
Journal of the Structural Division
Volume 96 • Issue 7 • July 1970
Pages: 1271 - 1286
Copyright
© 1970 American Society of Civil Engineers.
History
Published in print: Jul 1970
Published online: Feb 1, 2021
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Umakanta Behera, AM.ASCE
Asst. Prof., Dept. of Appl. Mech. and Hydr., Regional Engrg. Coll., Rourkela, India
Phil M. Ferguson, F.ASCE
Prof. of Civ. Engrg., The Univ. of Texas at Austin, Texas.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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