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http://dx.doi.org/10.5000/EESK.2020.24.2.111

Selection of Ground Motions for the Assessment of Liquefaction Potential for South Korea  

Jang, Young-Eun (Innovative Nuclear Reactor Systems, Korea Atomic Energy Research Institute)
Seo, Hwanwoo (School of Urban and Environmental Engineering, UNIST)
Kim, Byungmin (School of Urban and Environmental Engineering, UNIST)
Han, Jin-Tae (Department of Infrastructure Safety Research, Seismic Safety Research Center, KICT)
Park, Duhee (Department of Civil and Environmental Engineering, Hanyang University)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.24, no.2, 2020 , pp. 111-119 More about this Journal
Abstract
Recently, some of the most destructive earthquakes have occurred in South Korea since earthquake observations began in 1978. In particular, the soil liquefactions have been reported in Pohang as a result of the ML 5.4 earthquake that occurred in November 2017. Liquefaction-induced ground deformations can cause significant damage to a wide range of buildings and infrastructures. Therefore, it is necessary to take practical steps to ensure safety during an earthquake. In the current seismic design in South Korea, the Hachinohe earthquake and Ofunato earthquake recorded in Japan, along with artificial earthquakes, have been generally used for input motions in dynamic analyses. However, such strong ground motions are only from Japan, and artificial earthquake ground motions are different from real ground motions. In this study, seven ground motions are selected, including those recorded in South Korea, while others are compatible to the current design spectra of South Korea. The effects of the newly selected ground motions on site response analyses and liquefaction analyses are evaluated.
Keywords
Ground motion; Site response analysis; Peak ground acceleration; Liquefaction assessment;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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