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Behavior of large-scale rectangular columns confined with FRP composites

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Abstract
This paper focuses on axially loaded, large-scale rectangular RC columns confined with fiber-reinforced polymer (FRP) wrapping. Experimental tests are conducted to obtain the stress-strain response and ultimate load for three field-size columns having different aspect ratios and/or corner radii. Effective transverse FRP failure strain and the effect of increasing confining action on the stress-strain behavior are examined. Existing strength models, the majority of which were developed for small-scale specimens, are applied to predict the structural response. Since some of them fail to adequately characterize the test data and others are complex and require significant calculation, a simple design-oriented model is developed. The new model is based on the confinement effectiveness coefficient, an aspect ratio coefficient, and a corner radius coefficient. It accurately predicts the axial ultimate strength of the large-scale columns at hand and, when applied to the small-scale columns studied by other investigators, produces reasonable results.
Keywords
Stress-strain response, STRESS-STRAIN MODEL, Axial and lateral strain, Axial strength, Large-scale, Fiber-reinforced polymers, Rectangular column, CONCRETE COLUMNS, STRENGTH

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Chicago
Toutanji, H, M Han, J Gilbert, and Stijn Matthys. 2010. “Behavior of Large-scale Rectangular Columns Confined with FRP Composites.” Journal of Composites for Construction 14 (1): 62–71.
APA
Toutanji, H., Han, M., Gilbert, J., & Matthys, S. (2010). Behavior of large-scale rectangular columns confined with FRP composites. JOURNAL OF COMPOSITES FOR CONSTRUCTION, 14(1), 62–71.
Vancouver
1.
Toutanji H, Han M, Gilbert J, Matthys S. Behavior of large-scale rectangular columns confined with FRP composites. JOURNAL OF COMPOSITES FOR CONSTRUCTION. 2010;14(1):62–71.
MLA
Toutanji, H et al. “Behavior of Large-scale Rectangular Columns Confined with FRP Composites.” JOURNAL OF COMPOSITES FOR CONSTRUCTION 14.1 (2010): 62–71. Print.
@article{1199335,
  abstract     = {This paper focuses on axially loaded, large-scale rectangular RC columns confined with fiber-reinforced polymer (FRP) wrapping. Experimental tests are conducted to obtain the stress-strain response and ultimate load for three field-size columns having different aspect ratios and/or corner radii. Effective transverse FRP failure strain and the effect of increasing confining action on the stress-strain behavior are examined. Existing strength models, the majority of which were developed for small-scale specimens, are applied to predict the structural response. Since some of them fail to adequately characterize the test data and others are complex and require significant calculation, a simple design-oriented model is developed. The new model is based on the confinement effectiveness coefficient, an aspect ratio coefficient, and a corner radius coefficient. It accurately predicts the axial ultimate strength of the large-scale columns at hand and, when applied to the small-scale columns studied by other investigators, produces reasonable results.},
  author       = {Toutanji, H and Han, M and Gilbert, J and Matthys, Stijn},
  issn         = {1090-0268},
  journal      = {JOURNAL OF COMPOSITES FOR CONSTRUCTION},
  keywords     = {Stress-strain response,STRESS-STRAIN MODEL,Axial and lateral strain,Axial strength,Large-scale,Fiber-reinforced polymers,Rectangular column,CONCRETE COLUMNS,STRENGTH},
  language     = {eng},
  number       = {1},
  pages        = {62--71},
  title        = {Behavior of large-scale rectangular columns confined with FRP composites},
  url          = {http://dx.doi.org/10.1061/(ASCE)CC.1943-5614.0000051},
  volume       = {14},
  year         = {2010},
}

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