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A Study of Steel Frames with Steel Plate Shear Wall Resisting System Subjected to Blast Loading

Shabanlou, Mohammad | 2018

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 51219 (09)
  4. University: Sharif University of Technology
  5. Department: Civil Engineering
  6. Advisor(s): Aligani Moghaddam, Hassan; Saedi Darian, Amir
  7. Abstract:
  8. Over the last years, terrorist attacks and accidental explosions have brought on a need for research in the field of structural engineering to study the response of a building subjected to blast loading conditions. An explosion within or surrounding a building, not only can have disastrous effects causing both structural damage or failure, but may also lead to the death of human beings.In order to prevent these catastrophes and gain a better understanding of responses of the buildings and lateral resisting systems with different characteristics, the study of the behavior of the lateral resisting systems under blast loading conditions is essential. This research will also aid in the development of design methods and procedures to prevent structural failure in blast loading conditions.Due to the nature of the blast loading, a lateral resisting system must damp energy to behave properly against blast loading. Steel plate shear wall is the system that has a high level of stiffness, flexibility, and energy absorption, and therefore is a good alternative to be used as the lateral resisting system against blast loading.In order to reach the aforementioned goal, response of the steel frames with a steel plate shear wall lateral resisting system with different geometric characteristics including the height and the width of the structure are studied under different levels of the blast. Also, the cause of the failure of structural members under the blast loading is investigated.The results of the study showed that tall building with steel plate shear wall system has behaviors far better than short buildings. Besides, the dominant behavioral modes of tall buildings is the flexural mode, and for short buildings, the dominant mode is the shear mode and for medium height buildings combination of the flexural-shear mode is the dominant mode.In other parts of the study, the reason for the failure of the structural members was recognized due to a very large amount of bending and shear in the higher modes of members
  9. Keywords:
  10. Blast Loading ; Steel Plate Shear Wall (SPSW) ; Nonlinear Analysis ; Blast Effect ; External Blast ; Modal Effects

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