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Investigating the Behaviour Factor of Split-level Steel Braced Frames

Chehrazi, Ali | 2017

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 49858 (09)
  4. University: Sharif University of Technology
  5. Department: Civil Engineering
  6. Advisor(s): Khansari, Vahid
  7. Abstract:
  8. In this work the response modification factor (RMF), behaviour factor, of two-dimensional regular and split-level steel braced frames was worked out and presented. A total number of 840 frames with various number of stories, spans, braced spans and span lengths were studied. Frames were loaded based on ASCE 7-10 and designed in accordance with AISC 360-10. Static nonlinear analysis and Uang method were used for obtaining the RMFs of the studied frames. The effect of split-level irregularity and parameters such as number of stories on the RMF were worked out and are presented in this thesis. Linear regression was used to develop formulae for RMFs of regular and split-level braced frames. Comparison of the values of RMFs predicted from these formulae and those observed from the analysis show the excellent capability of these formulae
  9. Keywords:
  10. Nonlinear Static Analysis ; Split Level Buildings ; Steel Frames ; X-Bracing ; Vertical Irregularity ; Structure Behavior Coefficient

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