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Evaluation of Empirical Predictive Models Used to Predict Earthquake-Induced Slope Deformations
This study compares earthquake-induced slope deformations computed from a large suite of design ground motions using two recent empirical predictive models (EPMs) to those computed using a Newmark sliding block analysis. The purpose is to evaluate whether these EPMs are sufficient simplified analyses methods for use as a screening tool for determining if deformations are significant enough to warrant non-linear deformation analyses methods. The Saygili and Rathje (2008) and Hsieh and Lee (2011) EPMs were considered because they are recent EPMs based on the Next Generation Attenuation (NGA) strong motion database and also include Arias Intensity as one of the ground motion predictors. Newmark displacements are calculated for a variety of yield accelerations using the suite of design ground motions (DGMs) and compared to displacement using EPMs with the same ground motion parameters as DGMs. Similarities and differences between the calculated displacements are identified. The differences are investigated further by considering a specific site where ground motions were developed based on various ground motion modification schemes.
Evaluation of Empirical Predictive Models Used to Predict Earthquake-Induced Slope Deformations
This study compares earthquake-induced slope deformations computed from a large suite of design ground motions using two recent empirical predictive models (EPMs) to those computed using a Newmark sliding block analysis. The purpose is to evaluate whether these EPMs are sufficient simplified analyses methods for use as a screening tool for determining if deformations are significant enough to warrant non-linear deformation analyses methods. The Saygili and Rathje (2008) and Hsieh and Lee (2011) EPMs were considered because they are recent EPMs based on the Next Generation Attenuation (NGA) strong motion database and also include Arias Intensity as one of the ground motion predictors. Newmark displacements are calculated for a variety of yield accelerations using the suite of design ground motions (DGMs) and compared to displacement using EPMs with the same ground motion parameters as DGMs. Similarities and differences between the calculated displacements are identified. The differences are investigated further by considering a specific site where ground motions were developed based on various ground motion modification schemes.
Evaluation of Empirical Predictive Models Used to Predict Earthquake-Induced Slope Deformations
Armstrong, Richard J. (author) / Malvick, Erik J. (author) / Hansra, Harpreet (author) / Eiermann, Cassidy (author)
Geo-Congress 2013 ; 2013 ; San Diego, California, United States
Geo-Congress 2013 ; 1250-1259
2013-02-25
Conference paper
Electronic Resource
English
Evaluation of Empirical Predictive Models Used to Predict Earthquake-Induced Slope Deformations
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