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Titel |
Site effect classification based on microtremor data analysis using concentration-area fractal model |
VerfasserIn |
A. Adib, P. Afzal, K. Heydarzadeh |
Medientyp |
Artikel
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Sprache |
Englisch
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ISSN |
2198-5634
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Digitales Dokument |
URL |
Erschienen |
In: Nonlinear Processes in Geophysics Discussions ; 1, no. 2 ; Nr. 1, no. 2 (2014-07-22), S.1133-1161 |
Datensatznummer |
250115115
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Publikation (Nr.) |
copernicus.org/npgd-1-1133-2014.pdf |
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Zusammenfassung |
The aim of this study is to classify the site effect using concentration–area (C–A) fractal
model in Meybod city, Central Iran, based on microtremor data analysis. Log–log plots of the
frequency, amplification and vulnerability index (k-g) indicate a multifractal nature for the
parameters in the area. The results obtained from the C–A fractal modeling reveal that proper soil
types are located around the central city. The results derived via the fractal modeling were
utilized to improve the Nogoshi's classification results in the Meybod city. The resulted
categories are: (1) hard soil and weak rock with frequency of 6.2 to 8 Hz, (2) stiff soil
with frequency of about 4.9 to 6.2 Hz, (3) moderately soft soil with the frequency of 2.4
to 4.9 Hz, and (4) soft soil with the frequency lower than 2.4 Hz. |
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