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Experimental and Numerical Evaluation of Light Steel Frame with Steel Shear Wall under Gravity Loadings and Subjected to Cyclic Loading

Ghasemi, Faraz | 2022

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  1. Type of Document: M.Sc. Thesis
  2. Language: English
  3. Document No: 56616 (53)
  4. University: Sharif University of Technology, International Campus, Kish Island
  5. Department: Science and Engineering
  6. Advisor(s): Rahimzadeh Rofooei, Fayyaz; Farahbod, Farhang
  7. Abstract:
  8. Because of imbalance in supply and demand in the housing industry, the industrialization of building construction is one of the best ways to explain this problem. Currently, there is a strong tendency to develop guidelines for the design of Cold-Formed Steel (CFS) with different sheathing boards as seismic resistant shear walls. Also, the behavior of these systems is not very well known yet and more research is needed. In this work, six K-braced frames with and without sheathing boards and gusset plate under gravity loading and lateral cyclic loading investigated experimentally. The first and second specimens (single stud) as a control specimens are without sheathing board under gravity loading and lateral cyclic loading, and the third and fourth one (double studs) was without sheathing by using gusset plates with both of lateral cyclic and gravity loading, the fifth and sixth specimens (double stud) with gusset plates and sheathed by steel shear walls and gypsum boards tested under gravity loading and cyclic lateral loading, The results show that using sheathing can increase the shear resistance of the CFS system ten times in comparison to the unlined wall. Moreover, improving their connection by using more screws lead to 50% increase in lateral resistance of K-braced. Increasing of ductility factor and energy absorption in specimen number 3-4-5-6
  9. Keywords:
  10. Cold Formed Steel ; Hysteretic Shear Building ; Gusset Plate ; K-Shaped Bracing ; Shear Resistance ; Steel Braced Frames ; Steel Plate Shear Wall (SPSW)

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