Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13087/2146
Title: Comparison of Design Spectra in Turkish Earthquake Codes (TEC and TBEC) in Terms of Seismic Isolator Design
Authors: Erdoğdu, Hicran
Çavdar, Esengül
Özdemir, Gökhan
Keywords: Seismic isolation
dynamic analysis
lead rubber bearing
Lateral Force Procedure
Ground-Motion
Near-Fault
Isolated Bridges
Base-Isolation
Performance
Bearings
Systems
Excitations
Behavior
Issue Date: 2021
Publisher: Turkish Chamber Civil Engineers
Abstract: In this study, for a seismically isolated structural model designed in accordance with the design spectra defined by both Turkish Earthquake Codes 2007 and 2018, variation of maximum isolator displacement was studied. The isolation system in the structure was composed of lead rubber bearings. Selected and scaled ground motion records were used to perform bi-directional analyses where both horizontal components of records were subjected to analytical model, simultaneously. Analyses were repeated for both deteriorating and non-deteriorating hysteretic representations of isolators. Considered parameters were Q/W ratio of the isolator and the construction site. Results showed that analyses based on design spectra of different versions of Turkish Earthquake Code may lead to variation in maximum isolator displacements up to 50% depending on the coordinate of the structure. It is also observed that use of deteriorating hysteretic representation for seismic isolators will result in even higher variations in maximum isolator displacements.
URI: http://doi.org/10.18400/tekderg.713068
https://hdl.handle.net/20.500.13087/2146
ISSN: 1300-3453
Appears in Collections:Diğer Yayınlar Koleksiyonu
WoS İndeksli Yayınlar Koleksiyonu

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