SEISMIC HAZARD ASSESSMENT OF GORGAN, IRAN
Publish place: 9th International Congress on Civil Engineering
Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICCE09_1337
تاریخ نمایه سازی: 7 مهر 1391
Abstract:
Seismic hazard assessment has been done for Gorgan city in this article. Horizontal Peak Ground Acceleration values (PGA) for earthquakes with return periods of 475 and 2475 years have beencalculated for this region by probabilistic approach of seismic hazard analysis. For this purpose, first, active faults and uniform catalogue of earthquakes in a radius of 150 km around Gorgan have been used. After that, seismicity parameters have been evaluated using the methods in which magnitude uncertaintyand incompleteness of earthquake data are considered. By using three attenuation relationships, seismichazard assessment has been carried out using the SEISRISKIII computer program. Two iso- cceleration maps have been prepared to provide a probabilistic estimate of horizontal Peak Ground Acceleration (PGA) over bedrock for two mentioned hazard levels. Finally, the results have been compared with theseismic macrozonation hazard map of Iran, Standard 2800
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Authors
Gholamreza Abodolahzadeh
Assistant Professor in civil engineering department of Babol University of Technology
Leila Khanmohammadi
PhD student in civil engineering department of Babol University of Technology
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