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Plastic Hinge Length and Drift Capacity of FRP Reinforced Concrete Columns under Seismic Loads

Mirhabibi, Maziar | 2019

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  1. Type of Document: M.Sc. Thesis
  2. Language: English
  3. Document No: 52438 (53)
  4. University: Sharif University of Technology, International Campus, Kish Island
  5. Department: Science and Engineering
  6. Advisor(s): Kazemi, Mohammad Taghi
  7. Abstract:
  8. A brief overview of the proposed research, its aims, engineering relevance and applications; as well as expected achievements compared to the present state of the art:The plastic hinge length and ultimate drift calculations of frames are required in the performance based design of reinforce concrete structure. FRP-confinement increases the column’s shear resistance and ductility. FRP-confinement prevents concrete cover from spalling and increases the inelastic deformability of concrete in the potential plastic hinge region. GU et al. 2012 [24] studied the existing experimental results of confinement effects on the plastic hinge length. Mortezaei and Ronagh, 2012 [25], studied the plastic hinge length of FRP strengthened reinforced concrete columns and estimated the plastic hinge length of FRP strengthened RC columns subjected to both far- and near-fault earthquakes. Youssef et al. 2015 [26] studied the plastic hinge length and ultimate drift of FRP-confined circular columns under seismic loads. They proposed a FEM model to predict the length of plastic hinge region.In the first stage of this study, the existing models of [24, 26] for circular column will be recreated. In the next stage columns with square section will be designed with and without FRP confinement, to study the effect of FRP confinement on the length of plastic hinge and its drift capacity. Various parameters such as the thickness of FRP, the strength of RC column section and its strengthening will be studied
  9. Keywords:
  10. Plastic Hinges ; Reinforced Concrete Columns ; Fiber Reinforced Polymer (FRP)Confinement ; Target Displacement ; Fiber Reinforced Polymer (FRP) ; Seismic Load ; Drift Capacity

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