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http://dx.doi.org/10.12652/Ksce.2021.41.6.0687

Development of a Design Seismic Wave Time History Generation Technique Corresponding to the Recorded Seismic Wave-Based Design Response Spectrum  

Oh, Hyun Ju (Chungnam National University)
Park, Hyung Choon (Chungnam National University)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.41, no.6, 2021 , pp. 687-695 More about this Journal
Abstract
With the recent occurrence of large-scale earthquakes in Korea, the importance of seismic design has greatly increased. Seismic design standards stipulate that dynamic time history analysis be performed for important or special structures. In the seismic analysis and design of such structures, determining a rational design input seismic wave is a very important factor in ensuring the reliability of the analysis and design. In the seismic design standards, rational design seismic waves must reflect the characteristics of the area (fault) and satisfy the design response spectrum for each seismic performance level. This requirement can be partially satisfied by modifying the actual seismic wave measured in the area (fault) according to the design response spectrum. In this study, a method of correcting and generating seismic wave time histories according to the design response spectrum based on actual measured seismic waves using the harmonic wavelet transform was proposed. To examine the applicability of the proposed technique, the technique was applied to earthquakes of magnitude 5.8 and 5.4, respectively, that occurred in Gyeongju (2016) and Pohang (2017), and the seismic wave time histories corresponding to the design response spectrum were modified and generated.
Keywords
Seismic time history; Input seismic wave; Design response spectrum; Seismic design;
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Times Cited By KSCI : 1  (Citation Analysis)
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