Research Article
May 1980
Strength and Ductility of Tied Concrete Columns
Publication: Journal of the Structural Division
Volume 106, Issue 5
Abstract
Short 12-in. (305 mm) square concrete columns with rectangular ties as confinement steel are tested under monotonic axial compression to failure. Land-deformation curves are presented. Contribution of concrete to load carrying capacity and the significance of cover spalling are examined. Effects of distribution of longitudinal steel around the column perimeter and the resulting tie configuration, the amount and characteristics of tie steel, tie spacing, and the amount of longitudinal steel affecting the behavior of the confined column core are examined. Concrete cores of columns confined with ties and well distributed longitudinal steel exhibit significant gain in strength and ductility. Tie spacing and the characteristics and the amount of tie steel significantly affect the strength and ductility of confined core. The amount of column steel does not appear to have significant effect on confinement.
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Information & Authors
Information
Published In
Journal of the Structural Division
Volume 106 • Issue 5 • May 1980
Pages: 1079 - 1102
Copyright
© 1980 American Society of Civil Engineers.
History
Published in print: May 1980
Published online: Feb 1, 2021
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Authors
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Shamim A. Sheikh
Design Engr.-Civ., Ontario Hydro, Toronto, Canada
Suzru M. Uzumeri, M.ASCE
Prof., Dept. of Civ. Engrg., Univ. of Toronto, Toronto, Canada
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