Use of simulated strong ground motion records in earthquake engineering applications

Download

index.pdf

Date

2016

Author

Karimzadeh Naghshineh, Shaghayegh

Metadata

Show full item record

Item Usage Stats

288
views

99
downloads

With the recent advances in scientific computing, ground motion simulations have become more common. However, use of simulated motions for earthquake engineering purposes is still not well investigated. In this thesis, the efficiency of records simulated with the stochastic finite-fault technique in seismic demand estimation is studied in two different earthquake engineering applications. First, vulnerability assessment in a selected region, Erzincan (Turkey) is performed with simple single-degree-of-freedom structural models. For this purpose, seismic loss estimation for past and potential events is carried out considering both regional seismicity and local building information. Comparison of the estimated damage with the observed damage during the 1992 Erzincan earthquake reveals that, with well-defined local parameters, realistic ground motions can be simulated and used as input to SDOF models for seismic loss estimation. In the second part, nonlinear time history analyses of reinforced-concrete multi-degree-of-freedom models are performed to compare structural responses to simulated records with those to the corresponding real records. For this purpose, three case studies are considered: The 1992 Erzincan (Turkey) (Mw=6.6), the 1999 Düzce (Turkey) (Mw=7.1), and the 2009 L’Aquila (Italy) (Mw=6.3) earthquakes. Results show that for Erzincan with predominant basin effects, simulated motions fail to realistically predict real MDOF responses. However, results are promising for Düzce located on a shallow alluvial basin. For L’Aquila located mostly on stiff sites, results vary according to the simulation technique applied. In summary, when the simulated motions match the real records in terms of major seismological features, use of simulations in earthquake engineering seems feasible.

Subject Keywords

Seismology., Earthquake zones., Earthquake engineering., Earthquake hazard analysis., Earthquake resistant design.

URI

http://etd.lib.metu.edu.tr/upload/12619941/index.pdf
https://hdl.handle.net/11511/25613

Collections

Graduate School of Natural and Applied Sciences, Thesis

Suggestions

OpenMETU
Core

Ground motion prediction equations based on simulated ground motions Gür, Kader; Askan Gündoğan, Ayşegül; Kale, Özkan; Department of Earthquake Studies (2018) Ground Motion Prediction Equations (GMPEs) are one of the key elements in seismic hazard assessment to estimate ground motion intensity measures by basically taking into account source, path and site effects. Most of the existing predictive models are derived from databases compiled from real (or observed) ground motion data. However, in data-poor regions, a novel practice to develop new GMPEs is to use simulated or hybrid ground motion datasets for performing reliable seismic hazard analysis. Simulations o...
Development of site specific vertical design spectrum for Turkey Akyüz, Emre; Gülerce, Zeynep; Department of Civil Engineering (2013) Vertical design spectra may be developed in a probabilistic seismic hazard assessment (PSHA) by computing the hazard using vertical ground motion prediction equations (GMPEs), or using a vertical-to-horizontal spectral acceleration (V/H) ratio GMPEs to scale the horizontal spectrum that was developed using the results of horizontal component PSHA. The objective of this study is to provide GMPEs that are compatible with regional ground motion characteristics to perform both alternatives. GMPEs for the V/H ra...
Practical tools for ranking and selection of groundmotion prediction equations (GMPEs) for probabilistic seismic hazard assessment and development of a regional GMPE Kale, Özkan; Akkar, Sinan; Danciu, Laurentiu; Department of Civil Engineering (2014) This study starts summarizing the progresses in ground-motion databases and ground-motion models in pan-European region and consequent seismic hazard comparisons conducted for individual local and global predictive models. Then, the study presents the compilation of the Middle East region and Turkish ground-motion databases with principle seismological features to be mainly used in predictive model selection process in these regions. In the following step, using a high standard subset of the Middle East gro...
Development of integrated earthquake simulation system for Istanbul Sahin, Abdurrahman; Şişman, Rafet; Askan Gündoğan, Ayşegül; Hori, Muneo (2016-07-12) Recent advances in computing have brought a new and challenging way to tackle the earthquake hazard and disaster problems: integration of the seismic actions in the form of numerical models. For this purpose, integrated earthquake simulation (IES) has been developed in Japan, and now a new version is being developed in Turkey which targets Istanbul. This version of IES is being built in MATLAB and includes site response analysis and structural analysis of existing buildings with data obtained via GIS databa...
Investigation of seismic isolation efficiency for building structures Özdemir, Seda; Yakut, Ahmet; Ay, Bekir Özer; Department of Earthquake Studies (2016) The main goal of this study is to assess the efﬁcacy of seismic isolation for building type of structures with different structural systems, namely, dual systems and moment frame systems having also different number of ﬂoors. Speciﬁc to this study, the main parameters employed for efﬁcacy assessment will be the interstorey drift ratio and ﬂoor acceleration since both structural and non-structural damage to be occured in a system are directly related to these two parameters. To assess the variations in inter...

Citation Formats

S. Karimzadeh Naghshineh, “Use of simulated strong ground motion records in earthquake engineering applications,” Ph.D. - Doctoral Program, Middle East Technical University, 2016.