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http://dx.doi.org/10.12989/scs.2011.11.4.325

Reinforced high-strength concrete square columns confined by aramid FRP jackets -part II: modeling  

Wu, Han-Liang (School of Civil Engineering, Beijing Jiaotong University)
Wang, Yuan-Feng (School of Civil Engineering, Beijing Jiaotong University)
Ma, Yi-Shuo (School of Civil Engineering, Beijing Jiaotong University)
Publication Information
Steel and Composite Structures / v.11, no.4, 2011 , pp. 325-340 More about this Journal
Abstract
Based on the experimental data presented in part I of these companion papers, a semi-empirical model is proposed for axial stress-strain curves of reinforced high-strength concrete square columns confined by aramid fiber reinforced polymer (FRP) jackets. Additionally, a three-dimensional finite element model is developed to simulate the mechanical behaviors of the columns. In the finite element model, both material nonlinear and contact nonlinear are taken into account. Moreover, the influence of contact nonlinear (i.e., the end friction on the contact surface between test machines and specimens) is investigated deeply. Predictions from both the semi-empirical model and the finite element model agree with the experimental results, and it is also demonstrated that the friction coefficient of end friction notably affect the properties of columns when it ranges from 0.00 to 0.25.
Keywords
reinforcement; high-strength concrete (HSC); confined columns; fiber reinforced polymers (FRP); finite element analysis; end friction;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By Web Of Science : 0  (Related Records In Web of Science)
Times Cited By SCOPUS : 0
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