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Title: Flexural Stress-Strain Curves of Confined High-Strength Concrete (ISCC-2004)

Author(s): T.-H. Tan and N.-B. Nguyen

Publication: Symposium Paper

Volume: 238

Issue:

Appears on pages(s): 127-140

Keywords: concrete; confinement; flexure; high strength; strain; stress

DOI: 10.14359/18268

Date: 10/1/2006

Abstract:
This paper presents an analytical procedure for determining the stress-strain curves of concrete under flexure. The procedure is used to derive the stress-strain curves of confined concrete from tests of thirteen HSC columns confined by transverse reinforcement and subjected to different strain gradients. The effect of strain gradient to the stress-strain curves of confined concrete is observed and an analytical model for confined concrete that account for this effect is proposed.