Location

San Diego, California

Session Start Date

5-24-2010

Session End Date

5-29-2010

Abstract

In this paper the site specific spectra for a region of the Zagros Mountains containing 5 cities in Kurdistan province of Iran is prepared. For this purpose, all the occurred earthquakes, containing both historical and instrumental events, in each 5 city have been gathered then main earthquakes was prepared by elimination the aftershocks, foreshocks, and the incorrect reported events from the data and main earthquakes were taken into consideration to calculate the seismic parameters by Kijko [2000] method considering uncertainty in magnitude and incomplete earthquake catalogue. All seismic sources of the region are modeled and recurrence relationship is established. After adequate attenuation relationships were selected, The peak ground acceleration over the bedrock (PGA) is then calculated for the four hazard level introduced in FEMA 356 in each city according to the probabilistic seismic hazard analysis and using the Poisson's probability distribution function for prediction of earthquake occurrence in future with a return period of 75, 225, 475 and 2475 years. Then, according to the soil type resulted from geotechnical explorations, the site specific spectrum for each city is prepared using Newmark-Hall method and compared with the design spectrum suggested by Iranian code of practice for seismic resistant design of buildings.

Department(s)

Civil, Architectural and Environmental Engineering

Appears In

International Conferences on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics

Meeting Name

Fifth Conference

Publisher

Missouri University of Science and Technology

Publication Date

5-24-2010

Document Version

Final Version

Rights

© 2010 Missouri University of Science and Technology, All rights reserved.

Document Type

Article - Conference proceedings

File Type

text

Language

English

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May 24th, 12:00 AM May 29th, 12:00 AM

Preparation the Site Specific Spectrum for Civil Regions of Zagross Mountains

San Diego, California

In this paper the site specific spectra for a region of the Zagros Mountains containing 5 cities in Kurdistan province of Iran is prepared. For this purpose, all the occurred earthquakes, containing both historical and instrumental events, in each 5 city have been gathered then main earthquakes was prepared by elimination the aftershocks, foreshocks, and the incorrect reported events from the data and main earthquakes were taken into consideration to calculate the seismic parameters by Kijko [2000] method considering uncertainty in magnitude and incomplete earthquake catalogue. All seismic sources of the region are modeled and recurrence relationship is established. After adequate attenuation relationships were selected, The peak ground acceleration over the bedrock (PGA) is then calculated for the four hazard level introduced in FEMA 356 in each city according to the probabilistic seismic hazard analysis and using the Poisson's probability distribution function for prediction of earthquake occurrence in future with a return period of 75, 225, 475 and 2475 years. Then, according to the soil type resulted from geotechnical explorations, the site specific spectrum for each city is prepared using Newmark-Hall method and compared with the design spectrum suggested by Iranian code of practice for seismic resistant design of buildings.