TY - JOUR ID - 2236 TI - Design and Assessment of Seismic Resilient Structures by the Endurance Time Method JO - Scientia Iranica JA - SCI LA - en SN - 1026-3098 AU - Estekanchi, Homayoon E. AU - Vafai, A. AU - Vafai, A. AU - Ch. Basim, Mohammad AD - Department of Civil Engineering, Sharif University of Technology, Tehran, P.O. Box 11155-9313, Iran Y1 - 2016 PY - 2016 VL - 23 IS - 4 SP - 1648 EP - 1657 KW - Earthquake Engineering KW - Seismic Resilience KW - Endurance Time method KW - Value Based Seismic Design KW - nonlinear dynamic analysis DO - 10.24200/sci.2016.2236 N2 - A framework to calculate a quantitative measure of seismic resilience using the Endurance Time (ET) method is introduced. ET method is a response-history based analysis procedure where structures are subjected to gradually intensifying dynamic excitations and their performance is assessed based on their response at different excitation levels, reducing the required computational effort. First, a prototype hospital building is optimally designed through three distinct design philosophies: Prescriptive design code, Performance based design criteria and Value based seismic design method. In value based design method the design sections of structural elements are assumed as optimization parameters and a design with minimum total cost during its life span is being sought. For each candidate design the damages due to probable earthquakes is estimated by the ET method and the expected cost of damages is calculated using Life Cycle Cost Analysis (LCCA). Next, the resilience of each design in continuous range of hazard intensities are compared introducing “Resilience Curve”. Although the optimization objectives in design process are not based on resiliency measures, the value based design showed the best resiliency in the case of seismic hazards. This methodology and potential benefits when considering the need for moving towards more resilient cities is discussed. UR - https://scientiairanica.sharif.edu/article_2236.html L1 - https://scientiairanica.sharif.edu/article_2236_718b201f86756a020973d5648ad45270.pdf ER -