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Y. Wong, Tao Yu, J. Teng, S. Dong (2008)
Behavior of FRP-confined concrete in annular section columnsComposites Part B-engineering, 39
T. Yu, Y. Wong, J. Teng, S. Dong (2004)
Structural Behavior of Hybrid FRP-Concrete-Steel Double-Skin Tubular Columns
L. Spiegel, George Limbrunner (1980)
Reinforced Concrete Design
A. Fam, B. Flisak, S. Rizkalla (2003)
Experimental and Analytical Modeling of Concrete-Filled Fiber-Reinforced Polymer Tubes Subjected to Combined Bending and Axial LoadsAci Structural Journal, 100
Tao Yu, J. Teng, Y. Wong (2010)
Stress-Strain Behavior of Concrete in Hybrid FRP-Concrete-Steel Double-Skin Tubular ColumnsJournal of Structural Engineering-asce, 136
J. Teng, T. Yu, Y. Wong (2004)
Behaviour of hybrid FRP-concrete-steel double-skin tubular columns
Tao Yu, J. Teng, Y. Wong, S. Dong (2010)
Finite element modeling of confined concrete-I: Drucker–Prager type plasticity modelEngineering Structures, 32
J. Teng, Tao Yu, Y. Wong, S. Dong (2007)
Hybrid FRP-concrete-steel tubular columns : concept and behaviorConstruction and Building Materials, 21
Tao Yu, Y. Wong, J. Teng, S. Dong, E. Lam (2006)
Flexural Behavior of Hybrid FRP-Concrete-Steel Double-Skin Tubular MembersJournal of Composites for Construction, 10
J. Teng, T. Jiang, L. Lam, Yaozhi Luo (2009)
Refinement of a Design-Oriented Stress–Strain Model for FRP-Confined ConcreteJournal of Composites for Construction, 13
L. Lam, J. Teng (2003)
Design-oriented stress–strain model for FRP-confined concreteConstruction and Building Materials, 17
A. Mirmiran, M. Shahawy, M. Samaan (1999)
Strength and Ductility of Hybrid FRP-Concrete Beam ColumnsJournal of Structural Engineering-asce, 125
Tao Yu, J. Teng, Y. Wong, S. Dong (2010)
Finite element modeling of confined concrete-II: Plastic-damage modelEngineering Structures, 32
Hybrid FRP-concrete-steel double-skin tubular columns (DSTCs) are a new form of hybrid columns recently proposed by the third author. The new column consists of an inner steel tube and an outer FRP tube, with the space between them filled with concrete. The new column possesses many advantages over existing columns including its good ductility, corrosion resistance and ease for construction. This paper presents the results of an experimental study on the behavior of the new hybrid DSTCs subject to eccentric compression as well as results from a corresponding theoretical model using the fiber element approach. A so-called “variable confinement model” was adopted in the theoretical analysis for the concrete in the hybrid DSTCs, to account for the effect of strain gradient on the confinement effectiveness. The theoretical model was shown to provide accurate predictions of the test results, and was used in a subsequent parametric study.
Advances in Structural Engineering – SAGE
Published: Oct 1, 2010
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