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http://dx.doi.org/10.5000/EESK.2016.20.6.413

Development of Korean Standard Vertical Design Spectrum Based on the Domestic and Overseas Intra-plate Earthquake Records  

Kim, Jae Kwan (Department of Civil and Environmental Engineering, Seoul National University)
Kim, Jung Han (Integrated Safety Assessment Division, Korea Atomic Energy Research Institute)
Lee, Jin Ho (Department of Ocean Engineering, Pukyong National University)
Heo, Tae Min (Department of Civil and Environmental Engineering, Seoul National University)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.20, no.6, 2016 , pp. 413-424 More about this Journal
Abstract
The vertical design spectrum for Korea, which is known to belong to an intra-plate region, is developed from the ground motion records of the earthquakes occurred in Korea and overseas intra-plate regions. From the statistical analysis of the vertical response spectra, a mean plus one standard deviation spectrum in lognormal distribution is obtained. Regression analysis is performed on this curve to determine the shape of spectrum including transition periods. The developed design spectrum is valid for the estimation both spectral acceleration and displacement. The ratio of vertical to horizontal response spectrum for each record is calculated. Statistical analysis of the ratios rendered the vertical to horizontal ratio (V/H ratio). Subsequently the ratio between the peak vertical ground acceleration to the horizontal one is obtained.
Keywords
Korea; Vertical design spectrum; Intra-plate earthquake; V/H ratio; Vertical ground motion;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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