Investigation of Period-Lengthening Ratio for Single-Degree-of-Freedom Structures Using Dynamic Centrifuge Test

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Understanding of the soil-foundation-structure interaction (SFSI) is crucial for seismic design. The period-lengthening ratio (PLR) has been studied using both analytical and experimental methods. In this study, to obtain a PLR that reflects the non-linear characteristics of the soil, dynamic centrifuge testing is conducted and the PLR is evaluated for different seismic intensity and frequency characteristics. The results indicate that the PLR of a single-degree-of-freedom (SDOF) structure increases with the peak ground acceleration at the surface. In addition, from the test results, the PLR is affected by the relationship between the excitation and natural frequencies of the structure, which must be considered in future.
Publisher
TAYLOR & FRANCIS LTD
Issue Date
2021-06
Language
English
Article Type
Article
Citation

JOURNAL OF EARTHQUAKE ENGINEERING, v.25, no.7, pp.1358 - 1380

ISSN
1363-2469
DOI
10.1080/13632469.2019.1576557
URI
http://hdl.handle.net/10203/284593
Appears in Collection
CE-Journal Papers(저널논문)
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