{"id":6392,"date":"2014-06-07T08:48:44","date_gmt":"2014-06-07T08:48:44","guid":{"rendered":"http:\/\/www.iiees.ac.ir\/fa\/?p=6392"},"modified":"2014-06-07T08:48:44","modified_gmt":"2014-06-07T08:48:44","slug":"n-4","status":"publish","type":"post","link":"http:\/\/old.iiees.ac.ir\/fa\/n-4\/","title":{"rendered":"\u062a\u0648\u0633\u0639\u0647 \u0633\u0627\u0645\u0627\u0646\u0647 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u06cc \u0631\u06cc\u0633\u06a9 \u0632\u0645\u06cc\u0646 \u0644\u063a\u0632\u0634\u0647\u0627\u06cc \u0646\u0627\u0634\u06cc \u0627\u0632 \u0632\u0644\u0632\u0644\u0647 (\u0645\u0637\u0627\u0644\u0639\u0647 \u0645\u0648\u0631\u062f\u06cc \u0645\u0646\u0637\u0642\u0647 \u0627\u0644\u0628\u0631\u0632 \u0645\u0631\u06a9\u0632\u06cc)"},"content":{"rendered":"
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\u0648\u0627\u0698\u0647<\/strong>\u200c\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc<\/strong><\/p>\n

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<\/p>\n

Development of the Earthqauke Induced Landslides Prediction System (Case Study: Central Alborz Region)<\/strong><\/div>\n
\n<\/div>\n

Authors:M. Mahdavifar, V.Tajik, M. Rakhshandeh, Sh. Hasanzadeh<\/p>\n

<\/p>\n

Abstract<\/strong><\/p>\n

<\/div>\n

<\/p>\n

<\/div>\n
Earthquake-induced landslides have caused tens of thousands of deaths and billions of dollars in losses worldwide in last century; in many earthquakes, the resulting landslides have caused as much or more damage than the other effects of seismic shaking. Predicting where and in what shaking conditions earthquakes are likely to trigger landslides is a key element in regional seismic hazard assessment.
In this study, a system which had been prepared before, is developed for aplling in Central Alborz, Iran. For this purpose, the dynamic performance of slopes is modeled using the permanent- displacement analysis developed by Newmark(1965). Critical acceleration of the slope (above which permanent displacement occurs), was determined from the static factor of safety (FS) and the landslide geometry. To estimate the strength parameter for calculating FS in medium scale, the Hoek and Brown failure criteria were used. In this method more than 479 stations is located to take the input parameters for the criteria. Also, the slope geometry was acquired from Digital Elevation Model (DEM) of the area.
By completing the project, the Arias intensity and seismic landslides hazard maps (based on Newmark’s displacement) of the earthquake prone area would be prepared using the system, in a short time after any probable earthquake with a magnitude greater than 6. The maps, quickly would be located in IIEES websit<\/p>\n<\/div>\n

<\/strong><\/p>\n

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