Identifying relevant and minor criteria in realrecord selection procedures based onspectral compatibility
Başlık çevirisi mevcut değil.
- Tez No: 965511
- Danışmanlar: DR. CARMİNE GALASSO
- Tez Türü: Yüksek Lisans
- Konular: İnşaat Mühendisliği, Civil Engineering
- Anahtar Kelimeler: Belirtilmemiş.
- Yıl: 2014
- Dil: İngilizce
- Üniversite: Newcastle Unıversıty
- Enstitü: Yurtdışı Enstitü
- Ana Bilim Dalı: İnşaat Mühendisliği Ana Bilim Dalı
- Bilim Dalı: Belirtilmemiş.
- Sayfa Sayısı: Belirtilmemiş.
Özet
.
Özet (Çeviri)
Nonlinear dynamic analysis (NLDA) has been becoming prevailing subject in the modern seismic codes and in the current practices to assess seismic response of structures. NLDA requires the selection of real ground motion accelerograms in order to determine seismic hazard of the desired site where case-study structure is located. It is crucially essential that different procedures should be identified so as to obtain one of the best criteria for this selection to provide a guidance for practitioners of earthquake engineering. In this study, eight sets of code-conforming real ground motion accelerograms –where each set consists of seven records- are selected with the aim of utilizing them as input data for analysis. These record sets on average (between 0.15s-2s) or individually (in the fundamental period of structure) are compatible with target response spectrum, determined based on the new Italian Building Code for a specific site in Italy. Magnitude, distance and soil conditions have also been considered as criteria for the selection. Four-story RC frame structure has been analysed in order to compare different procedures in the record selection for NLDA. As a result, it has been interpreted that, based on the results of maximum interstory drift ratio (MIDR), roof drift (RD) and the total hysteretic energy (EH), the ranges of magnitude and distance have a full impact on the selection of natural accelerograms for NLDA. Conversely, there cannot be any need to consider whether the sets are scaled or unscaled since the variations between the results of scaled and unscaled sets are not remarkable to interest. Furthermore, site class do not seem to be significant factor for the selection of records according to results.
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