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| Titel |
Seismic risk assessment of architectural heritages in Gyeongju considering local site effects |
| VerfasserIn |
H.-J. Park, D.-S. Kim, D.-M. Kim |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1561-8633
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| Digitales Dokument |
URL |
| Erschienen |
In: Natural Hazards and Earth System Science ; 13, no. 2 ; Nr. 13, no. 2 (2013-02-08), S.251-262 |
| Datensatznummer |
250017565
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| Publikation (Nr.) |
 copernicus.org/nhess-13-251-2013.pdf |
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| Zusammenfassung |
| A seismic risk assessment is conducted for cultural heritage sites in
Gyeongju, the capital of Korea's ancient Silla Kingdom. Gyeongju, home to
UNESCO World Heritage sites, contains remarkable artifacts of Korean
Buddhist art. An extensive geotechnical survey including a series of in situ
tests is presented, providing pertinent soil profiles for site response
analyses on thirty cultural heritage sites. After the shear wave velocity
profiles and dynamic material properties were obtained, site response
analyses were carried out at each historical site and the amplification
characteristics, site period, and response spectrum of the site were
determined for the earthquake levels of 2400 yr and 1000 yr return
periods based on the Korean seismic hazard map. Response spectrum and
corresponding site coefficients obtained from site response analyses
considering geologic conditions differ significantly from the current Korean
seismic code. This study confirms the importance of site-specific ground
response analyses considering local geological conditions. Results are given
in the form of the spatial distribution of bedrock depth, site period, and
site amplification coefficients, which are particularly valuable in the
context of a seismic vulnerability study. This study presents the potential
amplification of hazard maps and provides primary data on the seismic risk
assessment of each cultural heritage. |
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