Research Article
Aug 1981
Torsional Coupling and Earthquake Response of Simple Elastic and Inelastic Systems
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 107, Issue 8
Abstract
The effects are analyzed of torsional coupling on the earthquake response of simple one-story structures in elastic and inelastic ranges of behavior. The structures considered are symmetrical about one principal axis of resistance, resulting in coupling only between lateral displacement along the perpendicular axis and the torsional displacement. Torsional coupling arising only from eccentricity between centers of mass and elastic resistance is considered. Systems with several resisting elements are idealized by a single element model. Response of such a model to a selected earthquake ground motion are presented for a range of the basic structural parameters. The response quantities presented include maximum lateral and torsional deformations of the system as well as maximum deformations of individual columns. The response in the inelastic range of behavior is effected by torsional coupling to generally a lesser degree than elastic response.
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Published In
Journal of the Structural Division
Volume 107 • Issue 8 • August 1981
Pages: 1569 - 1588
Copyright
© 1981 American Society of Civil Engineers.
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Published in print: Aug 1981
Published online: Feb 1, 2021
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Authors
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Christopher L. Kan
Asst. Research Engr., Dept. of Civ. Engrg., Univ. of California, Berkeley, Calif. 94720
Anil K. Chopra, M.ASCE
Prof. of Civ. Engrg., Dept. of Civ. Engrg., Univ. of California, Berkeley, Calif. 94720
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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.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.