Published

2020-04-01

Variation in Rayleigh wave ellipticity as a possible indicator of earthflow mobility: a case study of Sobradinho landslide compared with pile load testing

Variación estacional en la elipticidad de la onda Rayleigh como posible indicador de la activación de flujos de tierra, caso de estudio: deslizamiento de tierra en Sobradinho comparado con prueba de carga en pilote

DOI:

https://doi.org/10.15446/esrj.v24n2.81974

Keywords:

ambient noise, HVSR, reactivation, stiffness, soil mechanics (en)
ruido ambiental, REHV, reactivación, rigidez, mecánica de suelos (es)

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Authors

  • Yawar Hussain Clemson University https://orcid.org/0000-0002-4155-6764
  • Martin Cardenas-Soto National Autonomous University of Mexico
  • César Moreira São Paulo State University - UNESP
  • Juan Rodriguez-Rebolledo University of Brasilia
  • Omar Hamza University of Derby
  • Renato Prado University of Sao Paulo
  • Hernan Martinez-Carvajal Universidad Nacional de Colombia - Medellin
  • Jie Dou Department of Civil and Environmental Engineering, Nagaoka University of Technology, 1603-1, Kami-Tomioka, Nagaoka, Niigata, 940-2188, Japan

Rainfall-induced landslides pose a significant risk to communities and infrastructures. To improve the prediction of such events, it is imperative to adequately investigate the rainfall-dependent dynamics (leading to fluidization) and any associated internal sliding along shear planes within clayey slopes. Therefore, the present study adopted ambient noise analysis based on the Horizontal to Vertical Spectral Ratio (HVSR) method, to measure the seasonal variation of Rayleigh wave ellipticity as an indicator for the internal deformation and transition in the material state. The methodology was applied to an existing landslide, where variations in soil stiffness and internal sliding were expected to occur in response to rainfall. To improve the interpretation of the HVSR results (and hence the prediction of landslide’ reactivation by rainfall), HVSR measurements were also conducted on a field-scale pile load test. The pile test allowed a comparison of the seismic data generated by the soil movement along shear planes. The HVSR curves of this field test showed two frequency peaks with no changes in the resonance. In comparison with the data obtained from the landslide, the resultant HVSR curves showed three frequency patterns: ubiquitous (2Hz), landslide (4-8Hz), and flat (no peak). However, the HVSR curves did not show any response to the expected seasonally induced variations in the landslide mass because of the relatively short data acquisition. Nevertheless, time-lapse HVSR is a promising technique that can complement other geophysical methods for improving landslide monitoring.

Los deslizamientos de tierra inducidos por lluvia representan un riesgo significativo para las comunidades y la infraestructura. Para mejorar la predicción de tales eventos, es imperativo investigar adecuadamente la dinámica generada por la lluvia que conduce a la fluidización, así como, cualquier deslizamiento interno que esté asociado y que se desarrolle a lo largo de los planos de falla dentro de los taludes arcillosos. Por lo tanto, para medir la variación estacional de la elipticidad de la onda Rayleigh, como un indicador de la deformación interna y de la transición del estado del material, el presente estudio adoptó la Relación Espectral Horizontal a Vertical (REHV) basada en el ruido ambiental. La técnica fue aplicada en un área de deslizamiento existente, donde se esperaba que ocurrieran variaciones en la rigidez del suelo y deslizamientos internos debidos a la lluvia. Para mejorar la interpretación de los resultados de la REHV y, por tanto, la predicción del deslizamiento generado por lluvia, la REHV fue calibrada en campo en una prueba de carga en pilote. La prueba en el permitió una comparación de los datos sísmicos generados por el movimiento del suelo a lo largo de los planos de falla. Las curvas REHV de esta prueba de campo mostraron dos picos de frecuencia sin cambios en la de la resonancia. En comparación con los datos obtenidos del deslizamiento de tierra, las curvas REHV resultantes mostraron tres patrones de frecuencia: ubicuo (2Hz), deslizamiento de tierra (4-8Hz) y plano (sin pico). Debido a que la recopilación de datos fue relativamente corta, las curvas REHV no mostraron ninguna respuesta a las variaciones estacionales inducidas por el deslizamiento de tierra. Sin embargo, la obtención de curvas REHV en un periodo de tiempo es una técnica prometedora que puede complementar otros métodos geofísicos para mejorar el monitoreo de deslizamientos de tierra.

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Hussain, Y., Cardenas-Soto, M., Moreira, C., Rodriguez-Rebolledo, J., Hamza, O., Prado, R., Martinez-Carvajal, H. and Dou, J. (2020). Variation in Rayleigh wave ellipticity as a possible indicator of earthflow mobility: a case study of Sobradinho landslide compared with pile load testing. Earth Sciences Research Journal, 24(2), 141–151. https://doi.org/10.15446/esrj.v24n2.81974

ACM

[1]
Hussain, Y., Cardenas-Soto, M., Moreira, C., Rodriguez-Rebolledo, J., Hamza, O., Prado, R., Martinez-Carvajal, H. and Dou, J. 2020. Variation in Rayleigh wave ellipticity as a possible indicator of earthflow mobility: a case study of Sobradinho landslide compared with pile load testing. Earth Sciences Research Journal. 24, 2 (Apr. 2020), 141–151. DOI:https://doi.org/10.15446/esrj.v24n2.81974.

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(1)
Hussain, Y.; Cardenas-Soto, M.; Moreira, C.; Rodriguez-Rebolledo, J.; Hamza, O.; Prado, R.; Martinez-Carvajal, H.; Dou, J. Variation in Rayleigh wave ellipticity as a possible indicator of earthflow mobility: a case study of Sobradinho landslide compared with pile load testing. Earth sci. res. j. 2020, 24, 141-151.

ABNT

HUSSAIN, Y.; CARDENAS-SOTO, M.; MOREIRA, C.; RODRIGUEZ-REBOLLEDO, J.; HAMZA, O.; PRADO, R.; MARTINEZ-CARVAJAL, H.; DOU, J. Variation in Rayleigh wave ellipticity as a possible indicator of earthflow mobility: a case study of Sobradinho landslide compared with pile load testing. Earth Sciences Research Journal, [S. l.], v. 24, n. 2, p. 141–151, 2020. DOI: 10.15446/esrj.v24n2.81974. Disponível em: https://revistas.unal.edu.co/index.php/esrj/article/view/81974. Acesso em: 15 jul. 2024.

Chicago

Hussain, Yawar, Martin Cardenas-Soto, César Moreira, Juan Rodriguez-Rebolledo, Omar Hamza, Renato Prado, Hernan Martinez-Carvajal, and Jie Dou. 2020. “Variation in Rayleigh wave ellipticity as a possible indicator of earthflow mobility: a case study of Sobradinho landslide compared with pile load testing”. Earth Sciences Research Journal 24 (2):141-51. https://doi.org/10.15446/esrj.v24n2.81974.

Harvard

Hussain, Y., Cardenas-Soto, M., Moreira, C., Rodriguez-Rebolledo, J., Hamza, O., Prado, R., Martinez-Carvajal, H. and Dou, J. (2020) “Variation in Rayleigh wave ellipticity as a possible indicator of earthflow mobility: a case study of Sobradinho landslide compared with pile load testing”, Earth Sciences Research Journal, 24(2), pp. 141–151. doi: 10.15446/esrj.v24n2.81974.

IEEE

[1]
Y. Hussain, “Variation in Rayleigh wave ellipticity as a possible indicator of earthflow mobility: a case study of Sobradinho landslide compared with pile load testing”, Earth sci. res. j., vol. 24, no. 2, pp. 141–151, Apr. 2020.

MLA

Hussain, Y., M. Cardenas-Soto, C. Moreira, J. Rodriguez-Rebolledo, O. Hamza, R. Prado, H. Martinez-Carvajal, and J. Dou. “Variation in Rayleigh wave ellipticity as a possible indicator of earthflow mobility: a case study of Sobradinho landslide compared with pile load testing”. Earth Sciences Research Journal, vol. 24, no. 2, Apr. 2020, pp. 141-5, doi:10.15446/esrj.v24n2.81974.

Turabian

Hussain, Yawar, Martin Cardenas-Soto, César Moreira, Juan Rodriguez-Rebolledo, Omar Hamza, Renato Prado, Hernan Martinez-Carvajal, and Jie Dou. “Variation in Rayleigh wave ellipticity as a possible indicator of earthflow mobility: a case study of Sobradinho landslide compared with pile load testing”. Earth Sciences Research Journal 24, no. 2 (April 1, 2020): 141–151. Accessed July 15, 2024. https://revistas.unal.edu.co/index.php/esrj/article/view/81974.

Vancouver

1.
Hussain Y, Cardenas-Soto M, Moreira C, Rodriguez-Rebolledo J, Hamza O, Prado R, Martinez-Carvajal H, Dou J. Variation in Rayleigh wave ellipticity as a possible indicator of earthflow mobility: a case study of Sobradinho landslide compared with pile load testing. Earth sci. res. j. [Internet]. 2020 Apr. 1 [cited 2024 Jul. 15];24(2):141-5. Available from: https://revistas.unal.edu.co/index.php/esrj/article/view/81974

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The licensor cannot revoke these freedoms as long as you follow the license terms.