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Multicomponent seismic loss estimation on the North Anatolian Fault Zone (Turkey)
Date
2015-12-14
Author
Karim Zadeh Naghshineh, Shaghayegh
Askan Gündoğan, Ayşegül
Erberik, Murat Altuğ
Yakut, Ahmet
Metadata
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Seismic loss estimation is essential to incorporate seismic risk of structures into an efficient decision-making framework. Evaluation of seismic damage of structures requires a multidisciplinary approach including earthquake source characterization, seismological prediction of earthquake-induced ground motions, prediction of structural responses exposed to ground shaking, and finally estimation of induced damage to structures. As the study region, Erzincan, a city on the eastern part of Turkey is selected which is located in the conjunction of three active strike-slip faults as North Anatolian Fault, North East Anatolian Fault and Ovacik fault. Erzincan city center is in a pull-apart basin underlain by soft sediments that has experienced devastating earthquakes such as the 27 December 1939 (Ms=8.0) and the 13 March 1992 (Mw=6.6) events, resulting in extensive amount of physical as well as economical losses. These losses are attributed to not only the high seismicity of the area but also as a result of the seismic vulnerability of the constructed environment. This study focuses on the seismic damage estimation of Erzincan using both regional seismicity and local building information. For this purpose, first, ground motion records are selected from a set of scenario events simulated with the stochastic finite fault methodology using regional seismicity parameters. Then, existing building stock are classified into specified groups represented with equivalent single-degree-of-freedom systems. Through these models, the inelastic dynamic structural responses are investigated with non-linear time history analysis. To assess the potential seismic damage in the study area, fragility curves for the classified structural types are derived. Finally, the estimated damage is compared with the observed damage during the 1992 Erzincan earthquake. The results are observed to have a reasonable match indicating the efficiency of the ground motion simulations and building analyses.
Subject Keywords
Multihazards;
,
Spatial modeling;
,
Risk
,
Vulnerability
URI
https://agu.confex.com/agu/fm15/webprogram/Paper59407.html
https://hdl.handle.net/11511/82480
https://ui.adsabs.harvard.edu/abs/2015AGUFMNH13B1920K/abstract
Conference Name
2015 American Geophysical Union Annual Fall Meeting, (14 - 18 Aralık 2015)
Collections
Department of Civil Engineering, Conference / Seminar
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BibTeX
S. Karim Zadeh Naghshineh, A. Askan Gündoğan, M. A. Erberik, and A. Yakut, “Multicomponent seismic loss estimation on the North Anatolian Fault Zone (Turkey),” presented at the 2015 American Geophysical Union Annual Fall Meeting, (14 - 18 Aralık 2015), San-Francisco, ABD, 2015, Accessed: 00, 2021. [Online]. Available: https://agu.confex.com/agu/fm15/webprogram/Paper59407.html.
