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Upgrading equivalent static method of seismic designs to performance-based procedure
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  • Journal title : Earthquakes and Structures
  • Volume 10, Issue 4,  2016, pp.849-865
  • Publisher : Techno-Press
  • DOI : 10.12989/eas.2016.10.4.849
 Title & Authors
Upgrading equivalent static method of seismic designs to performance-based procedure
Allahvirdizadeh, Reza; Mohammadi, Mohammad Ali;
 Abstract
Beside the invaluable advancements in constructing more secure buildings, the post-earthquake inspections have reported considerable damages. In other words, the modern buildings satisfactorily decrease fatalities but the monetary impacts still mostly remain an unsolved concern of the stakeholders, the insurance companies and society together. Therefore, the fundamental target of the researches shifted from current force-based seismic design regulations to the Performance-Based earthquake engineering (PBEE). At the moment, some probabilistic approaches, such as PEER framework have been developed to predict the performance of building at any desired hazard levels. These procedures are so time-consuming, to which many details are needed to be assigned. It causes their usage to be limited. On that account, developing more straightforward methods seems indispensable. The main objective of the present paper is to adapt an equivalent static method in different damage states. Consequently, constant damage spectrums corresponding to different limit states, soil types, ductility and fundamental periods are plotted and tri-linear formulas are proposed for further applications. Moreover, the sensitivity of outcomes to the employed hysteresis model, ductility, viscous damping and site soil type is investigated. Finally, a case study building with moment-resisting R.C. frame is evaluated based on the both of new and current methods to ensure applicability of the proposed method.
 Keywords
performance-based seismic design;equivalent static analysis;damage index;constant damage spectrum;dynamic analysis;
 Language
English
 Cited by
1.
Probabilistic comparative investigation on introduced performance-based seismic design and assessment criteria, Engineering Structures, 2017, 151, 206  crossref(new windwow)
2.
Reliability evaluation of predicted structural performances using nonlinear static analysis, Bulletin of Earthquake Engineering, 2017, 15, 5, 2129  crossref(new windwow)
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