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Support Vector Machine Method for Developing Ground Motion Models for Earthquakes in Western Part of China
Journal of Earthquake Engineering ( IF 2.5 ) Pub Date : 2021-02-22 , DOI: 10.1080/13632469.2021.1884146 Jinjun Hu 1 , Hui Zhang 1
更新日期：2021-02-22
Journal of Earthquake Engineering ( IF 2.5 ) Pub Date : 2021-02-22 , DOI: 10.1080/13632469.2021.1884146 Jinjun Hu 1 , Hui Zhang 1
Affiliation
ABSTRACT
This article develops ground-motion models (GMMs) by using a support vector regression (SVR) for western part of China. These SVR GMMs constitute mathematical equations that can predict the peak ground acceleration (PGA) and response spectral acceleration at different periods. Given the earthquake magnitude (Mw), hypocentral distance (Rhypo) and shear-wave velocity averaged over the top 30 m of soil (Vs30), predicted values can be acquired. The results demonstrate that the proposed GMMs are reasonable and can produce accurate estimations with a good generalization capability for ground motions exhibiting a range of seismic characteristics similar to those considered in the database.
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