SEISMIC HAZARD ASSESSMENT OF SHAHR-E KORD IRAN
سال انتشار: 1398
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 490
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شناسه ملی سند علمی:
SEE08_016
تاریخ نمایه سازی: 27 خرداد 1399
چکیده مقاله:
Iran is located in Alps-Himalaya belt, where plenty of destructive earthquakes occurred. In this paper, we chose a place centered by Shahr-e Kord because, in this area, there are some large dams. In order to calculate seismic hazard, firstly, earthquake catalogs collected from Iranian seismological center (IRSC) and U.S. Geological Survey (USGS), and historical earthquakes of the region were excerpted from Ambraseys, Melville, & Falcon, (1982). Subsequently, we divided the region into three sources, and the seismicity parameters were evaluated by Z-map software for uniform catalog. In the next step, we took advantage of Kijko software, which can calculate seismicity parameters for selected sources. Afterward, we employed EZ-FRISK software for calculation of the probabilistic seismic hazard method for calculating of response spectrum. We concluded that structures with the period of 0.14 second at different returning periods experience the greatest spectral acceleration, and finally, we used deterministic seismic hazard analysis for a site located in Shahr-e Kord. Acceleration is computed by Ambraseys et al. (1992) equation for different active faults of the region, and the Main recent fault has the highest ability to generate peak ground acceleration (PGA) of 0.17g in Shahr-e Kord.
کلیدواژه ها:
نویسندگان
Navid Sirous
MSc Student, Institute of Geophysics, University of Tehran, Iran
Ali Songhori
MSc Student, Institute of Geophysics, University of Tehran, Iran
Ahmad Sadidkhouy
Assistant Professor, Institute of Geophysics, University of Tehran, Iran