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Design of Concrete Frame based on Iranian Code (2800) and Eurocode (EC 8) for Resistance to Earthquake.
Engineering and Construction
Pages 15 (3765 words)
Seismic hazard and history of Iran
Iran stands as a common seismic country in the world. In 1976, an earthquake occurred in western Iran that claimed the lives of 15,000 people. Another incident claimed 1000 people in 1981 in Kerman while 40,000 faced the same in Gilan, a province in Northern Iran. …
Another incident claimed 1000 people in 1981 in Kerman while 40,000 faced the same in Gilan, a province in Northern Iran. The Ritcher scale reading struck 7.2. An earthquake that occurred in Bam in December 2003 is numbered among the 130 major earthquakes in Iranian history with estimated casualty cases of 30-50 thousand (Iranian Studies Group, 2004, p.2). The foundation of assessment of seismic hazard in Iran is on the frequency of seismicity in relation to time and space. In the assessment of seismic hazards, seismotectonic sources are considered. The success of this study relies on regional and local knowledge on geology, seismicity and tectonics. The core sources of seismotectonic forces are;
• Fault sources and
• Area sources (Takavoli, B., and Ghafory, M., 1999, P.1013).
Research conducted by different firms like Wilson (1930), Niazi (1968) and many others reveal that seismicity in Iran is linked to local surface geology and tectonics (1014). Iranian plateau is characterized by active faults, active volcanoes with an Alpine earthquake belt that is elongated and of high surface. Active earthquake activities are found along Zagros fold thrust belt thus making most parts of Iran vulnerable to earthquakes (Takavoli, B., and Ghafory, M., 1999, P.1014). ...
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