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Asskar Janalizadeh Choobbasti, Saman Soleimani Kutanaei. 2018: Dynamic equivalent soil characteristics identification using earthquake records. Earthquake Science, 31(3): 166-173. DOI: 10.29382/eqs-2018-0166-5
Citation: Asskar Janalizadeh Choobbasti, Saman Soleimani Kutanaei. 2018: Dynamic equivalent soil characteristics identification using earthquake records. Earthquake Science, 31(3): 166-173. DOI: 10.29382/eqs-2018-0166-5

Dynamic equivalent soil characteristics identification using earthquake records

  • Techniques for soil property estimation can be categorized into two main groups, in-situ and laboratory methods. Previous investigations indicated that strong ground motions record provides a very useful tool to estimating the in-situ characteristics of soil. The main objective of the present work is to utilize the particle swarm optimization algorithm (PSOA) integrated with linear site response method to obtain the equivalent soil profile characteristics from the available surface and bedrock earthquake motion records. To demonstrate the numerical efficiency and the validity of this approach, the procedure is validated against an available case. Then this procedure is utilized to identify the soil properties profiles of the site by using strong ground motions data recorded during the Bam earthquake of December 26, 2003. The magnitude and PGA of Bam earthquake were MW 6.6 and 0.8 g respectively.
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