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http://dx.doi.org/10.7843/kgs.2022.38.1.5

Comparison of Liquefactive Hazard Map Regarding with Geotechnical Information and Spatial Interpolation Target  

Song, Seong-wan (Dept. of Civil & Environmental Engrg,, Dankook Univ.)
Hwang, Bumsik (Korea Expressway Corporation Research Institute)
Cho, Wanjei (Dept. of Civil & Environmental Engrg,, Dankook Univ.)
Publication Information
Journal of the Korean Geotechnical Society / v.38, no.1, 2022 , pp. 5-15 More about this Journal
Abstract
Due to the Pohang earthquakes in 2017, concerns are increasing that Korea is no longer safe from liquefaction, and needs the research to take proper measures for liquefaction. Liquefaction is defined as the loss of shear strength of the ground. In order to solve this problem, many studies, such as composing a liquefaction hazard map using Liquefaction Potential Index (LPI), have been conducted. However, domestic researches on the comparative analysis of liquefaction prediction results are not sufficient. Therefore, in this study, liquefaction hazard maps were composed using the standard penetration test results, shear wave velocity values, and cone penetration test results. After that, the precision was determined by comparing the calculated LPI using the geotechnical information and predicted LPI via spatial interpolation target. Based on the analysis results, the predicted LPI value using geotechnical information is more precise than using calculated LPI value.
Keywords
Liquefaction; Liquefaction damage prediction; Liquefaction hazard map; LPI;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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