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Seismic Risk Assessment of Conventional Reinforced Concrete Building Structures Using Endurance Time Method

Hosseini Varzandeh, Saeed | 2019

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 52284 (09)
  4. University: Sharif University of Technology
  5. Department: Civil Engineering
  6. Advisor(s): Esmaeil Purestekanchi, Homayoon
  7. Abstract:
  8. This study aims to assess and compare the seismic performance of moment frame and dual reinforced concrete systems at different ductilities and seismicity levels. Seismic performance of the systems is defined as their efficiency in providing safety and reducing the life-cycle as well as the total cost of the buildings. For this purpose, 30 archetypes were designed in accordance with common Iranian codes, and their response at different seismic intensities was obtained by Endurance Time method. Afterward, the consequences of earthquakes were estimated according to FEMA-P58 guidelines, and the total cost of the buildings was determined. All of these archetypes had residential occupancy but were different in the type of lateral load resisting system, the level of ductility, the seismic hazard of their construction site, and the number of stories. Finally, it was observed that in general, the amount of seismic loss and the total cost of the buildings increases by increasing the ductility of structure. Seismic damage also increased with the decrease of seismicity. Both of these observations can be justified by lower stiffness of more ductile buildings or the structures located in areas with lower seismic hazard. In addition, it was observed that with the addition of shear walls and increasing the stiffness of the structures, the total cost was reduced
  9. Keywords:
  10. Seismic Risk Cost ; Seismic Damage ; Life Cycle Cost (LCC) ; Endurance Time Method ; Dual Systems ; Collapse Preventation ; Federal Emergency Management Agency (FEMA)P695 Code ; Federal Emergency Management Agency (FEMA)P58 Code ; Incremental Dynamic Analysis ; Shear Walls

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