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Progressive Collapse Analysis of Structures with Concrete Filled Steel Tubular Columns

Tajalli, Mohammad Ali | 2011

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 42539 (09)
  4. University: Sharif University of technology
  5. Department: Civil ENgineering
  6. Advisor(s): Khalu, Alireza
  7. Abstract:
  8. Today, Progressive Collapse analysis of Structures has a great rule in predict and preventing of overall collapse of structures due to local damage to few elements. After World Trade Center collapse, Progressive collapse analysis became more important. According to better ductility of Concrete Filled Steel Tubular Columns, because of existence of core concrete confinement, it is prospected that using this type of columns will lead to better resistance against progressive collapse. In this study, structures with concrete filled steel tubular columns will be examined in progressive collapse. In addition, in this study, a numerical model was proposed to model concrete filled steel tubular coulumns. The proposed model predicted the behavior of rectangular and circular sections with good accuracy. This modeling method is applied to both concrete and steel materials.
  9. Keywords:
  10. Concrete Filled Steel Tubes (CFT) ; Nonlinear Analysis ; Time History Analysis ; Progressive Collapse Analysis ; Composite Materials

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