A Practical Methodology to Estimate Site Fundamental Periods Based on the KiK-net Borehole Velocity Profiles and Its Application to Istanbul

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dc.authoridHASANOGLU, SERKAN/0000-0002-7018-0479
dc.authoridGÜLLÜ, AHMET/0000-0001-6678-9372
dc.authoridYuksel, Ercan/0000-0002-9741-1206
dc.authorwosidHASANOGLU, SERKAN/AAR-6478-2020
dc.authorwosidGÜLLÜ, AHMET/AAF-2358-2020
dc.contributor.authorGullu, Ahmet
dc.contributor.authorHasanoglu, Serkan
dc.contributor.authorYuksel, Ercan
dc.date.accessioned2024-06-13T20:18:27Z
dc.date.available2024-06-13T20:18:27Z
dc.date.issued2022
dc.departmentİstanbul Gedik Üniversitesi
dc.description.abstractDetermination of site fundamental periods is remarkably important to classify soil deposits and to identify the resonant probability of any structures during an earthquake. Recent developments in the literature exposed that the fundamental period is a better proxy than time-averaged velocity to 30 m (VS30) or the best complementary parameter to VS30 to evaluate the soil characteristics. Because great efforts have been paid to achieve VS30 maps of many regions and countries, an approximate methodology based on this parameter and engineering bedrock depth (Zbr), in which the shear-wave velocity reaches 760 m/s (Z0.76) or 1000 m/s (Z1.0), is presented here to find out the site fundamental periods. The meth-odology is developed and verified using the Kiban Kyoshin network database. Outcomes of the proposed methodology are also compared with some of the literature equations and methods. The comparative studies resulted in a great correlation with a relatively low standard deviation. Therefore, it is conceivable to apply the proposed methodology easily to the regions where VS30 and engineering bedrock depth are already known.
dc.identifier.doi10.1785/0120220030
dc.identifier.endpage2620
dc.identifier.issn0037-1106
dc.identifier.issn1943-3573
dc.identifier.issue5
dc.identifier.scopus2-s2.0-85139144817
dc.identifier.scopusqualityQ1
dc.identifier.startpage2606
dc.identifier.urihttps://doi.org/10.1785/0120220030
dc.identifier.urihttps://hdl.handle.net/11501/1373
dc.identifier.volume112
dc.identifier.wosWOS:000876473400002
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSeismological Soc Amer
dc.relation.ispartofBulletin of the Seismological Society of America
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectShear-Wave Velocity
dc.subjectVertical Spectral Ratios
dc.subjectGround-Motion
dc.subjectEarthquake
dc.subjectAmplification
dc.subjectFrequency
dc.subjectTohoku
dc.titleA Practical Methodology to Estimate Site Fundamental Periods Based on the KiK-net Borehole Velocity Profiles and Its Application to Istanbul
dc.typeArticle

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