Stress-Strain Model for Confined High-Strength Concrete
Publication: Journal of Structural Engineering
Volume 121, Issue 3
Abstract
A stress-strain model for confined high-strength concrete has been developed and calibrated against the test results from 50 large-scale high-strength concrete tied columns tested under concentric loading. The effects of the concrete compressive strength, tie yield strength, tie configuration, transverse reinforcement ratio, tie spacing, and longitudinal reinforcement ratio are accounted for in the proposed stress-strain model. The determination of the strength and ductility of confined concrete is based on the computation of the effective confinement pressure, which depends on the stress in the transverse reinforcement at maximum strength of confined concrete, and on the effectively confined concrete area. A method is proposed to compute the stress in the transverse reinforcement at maximum strength of confined concrete.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 121 • Issue 3 • March 1995
Pages: 468 - 477
Copyright
Copyright © 1995 American Society of Civil Engineers.
History
Published online: Mar 1, 1995
Published in print: Mar 1995
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