2010
DOI: 10.22201/igeof.00167169p.2010.49.3.110
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Some new theoretical considerations about the ellipticity of Rayleigh waves in the light of site-effect studies in Israel and Mexico

Abstract: La amplificación del movimiento del terreno, como resultado de la presencia de suelos blandos, es un fenómeno común en áreas urbanas y bien identificado como un factor que incrementa el daño y el número de pérdidas humanas. Por otro lado, para el análisis de la amenaza sísmica, el estudio de la elipticidad de las ondas de Rayleigh se ha hecho más popular en el contexto del uso de registros de vibraciones ambientales, además, los resultados pueden ser usados en la inversión de la estructura de velocidades. Los … Show more

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Cited by 5 publications
(5 citation statements)
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“…For stations in Group II (Figure 4), the station NIC shows a similar behavior in the spectral ratio of the two components: in both cases we found a fundamental frequency at 1.46 Hz with amplitude of 2.7, and then the spectral ratio display three peaks at: 2.82, 3.8 and about 5 Hz, with amplitudes between 1.5 and 1.8. As mentioned in Malischewsky et al (2010), this may be due to the value of Poisson's ratio for the shallower layers of the velocity structure.…”
Section: Noise H/v Spectral Ratio Resultsmentioning
confidence: 96%
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“…For stations in Group II (Figure 4), the station NIC shows a similar behavior in the spectral ratio of the two components: in both cases we found a fundamental frequency at 1.46 Hz with amplitude of 2.7, and then the spectral ratio display three peaks at: 2.82, 3.8 and about 5 Hz, with amplitudes between 1.5 and 1.8. As mentioned in Malischewsky et al (2010), this may be due to the value of Poisson's ratio for the shallower layers of the velocity structure.…”
Section: Noise H/v Spectral Ratio Resultsmentioning
confidence: 96%
“…Malischewsky and Scherbaum (2004) In some cases the H/V spectral ratio might show more than one peak after the main peak (as in NIC station, Figure 4). Malischewsky et al (2010) propose that the following maximum may be associated with deeper layers resonance frequencies. In addition, Tran et al (2011) report that for special Poisson's ratio two peaks of the theoretical ellipticity may exist for a model with a layer over a half-space.…”
Section: Theoretical Ellipticitymentioning
confidence: 96%
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