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Numerical Analysis of Behavior of Concrete-Filled PVC Tubular Column

Khoshyari Kakavand, Leyla | 2017

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  1. Type of Document: M.Sc. Thesis
  2. Language: English
  3. Document No: 50426 (53)
  4. University: Sharif University of Technology, International Campus, Kish Island
  5. Department: Science and Engineering
  6. Advisor(s): Khalou, Alireza
  7. Abstract:
  8. Concrete Filled Polyvinyl Chloride (PVC) Tube (CFCT) technique has attracted significant research attention in recent years. PVC offers a number of advantages such as low costs and excellent properties like 1- high electrical insulation; 2- high resistance for abrasion; 3- low diffusion for humidity; 4- remarkable resistance to water, bases, acids, alcohols, oils; 5- large elongation at break; 6- low creep deformation; 7- workability including (cutting); 8- consistency; and 9- excellent corrosion resistant, durability and mechanical stability. The PVC tube acts as a longitudinal and transverse reinforcement and serves as a formwork which simplifies construction and reduces erection time. The use of CFPT in new structures is still limited to few constructions. However, more focused on experimental investigation on the CFPT is needed and studies on numerical analyses of CFPT are not enough. In this thesis, the behavior of concrete filled PVC tube was investigated. A nonlinear finite element model (NFEM) was developed in this thesis and the ABAQUS programs was used for numerical analysis to predict the confined characteristics of concrete. The analytical values were compared with the experimental results. After the NFEM was verified, the parametric study analyses varying the concrete strength, thickness of the PVC tube, and height to diameter ratio were investigated
  9. Keywords:
  10. Confined Concrete ; Polyvinyl Chloride (PVC) ; Nonlinear Finite Element Method ; Concrete Filled Steel Tubes (CFT) ; Polyvinyl Chloride (PVC)Tube ; Concrete-Filled PVC Tube

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