出版社：geodynamics Research International Bulletin Online
摘要：Site effect could be strongly affected by the earthquake ground motions and highly change the pattern of damages. Even though different methods are proposed for the study of site effect, most of them are time consuming and costly. There are more than 1100 accelerographic stations in Iran Strong Motion Network (ISMN) and it will take a great deal of time and money to study site classification. ISMN have recorded more than 3200 reliable three-component accelerograms in 620 stations from 1994 to 2003, which constitute a rich database for this investigation. We tried to compare the results of Vs-30 obtained from geoseismic measurements and H/V spectral ratio using the recorded accelerograms to modify the previous criteria for a fast and reliable classification. The final results show the convenience of the newly- defined criteria that could be used with more confidence for the stations with more records.
