Comparion of Mechanism of Notrh Tabriz Fault and North Anatolina Fault with Mechanism of San Andreas Fault
Publish place: 7th International Congress on Civil Engineering
Publish Year: 1385
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICCE07_650
تاریخ نمایه سازی: 29 دی 1384
Abstract:
Azerbaijan is one of the most active segments of the Alpine-Himalayan seismic belt and marks the junction between the African, Arabian and Indian plate to the south, and Eurasian plate to the north. Historical records of earthquakes in Azerbaijan based on macroseismic and microseismic observation cover a period of 1000-1200 years. Vulnerability to disaster is increasing urbanization and developments that occupy more areas in Azerbaijan are prone to the effect pf significant earthquakes, as demonstrated in the last few years by the devastating earthquakes in Azerbaijan Salmas earthquake 1930 and Roodbar earthquake 1990 and other in Turkey 1976, 1999 Georgia 1991 and 1992 , Armenia 1983. This information must help us to determine important factors such as period of occurrence of quake in fault. If the movement of fault is strike-slip- fault then the prediction pf next movement of possible. In the comparison of North Tabriz Fault (NTE) and North Anatolian Fault (NAF) with San Andreas Fault (SAF) in California the following results will be deduced. 1) The strong motion network on the SAF and NTF to NAF is very sparse. 2) All of them are strike-slip-fault and right –lateral . Depth and periodicity of shakes along these faults are similar to each other. 3)In selected zones of the SAF and NTF to NAF , near fault that increase the seismic coefficients must be considered in the cods. 4) Soil-Structure interaction effects possibly affect the performance of the 4-8 story stiff structures adversely.
Keywords:
North Tabriz Fault (NTF) , North Anatolian Fault (NAF) , San Andress Fault (SAF) , Strike slip fault , Right lateral , Paleoseimicity , Newseismiciyt
Authors
E.Ghanbari
Associate professor
A.R.Saberi
M.Sc of Geotechnical Engineering
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