Near-Surface Rayleigh Wave Dispersion Curve Inversion Algorithms: A Comprehensive Comparison

Yang, Xiao-Hui; Zhou, Yuanyuan; Han, Peng; Feng, Xuping; Chen, Xiaofei

doi:10.1007/s10712-024-09826-y

Surv Geophys

2024

DOI: 10.1007/s10712-024-09826-y

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Near-Surface Rayleigh Wave Dispersion Curve Inversion Algorithms: A Comprehensive Comparison

Xiao-Hui Yang,

Yuanyuan Zhou,

Peng Han

et al.

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Characterization of Shallow Sedimentary Layers in the Oran Region Using Ambient Vibration Data

Saadi,

Galiana-Merino,

Semmane

et al. 2024

Applied Sciences

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This study investigates the structure of shear-wave velocities (Vs) in the shallow layers of the Oran region, north-west of Algeria, using non-invasive techniques based on ambient vibration arrays. The region has experienced several moderate earthquakes, including the historical Oran earthquake of 1790. Ambient vibration measurements were carried out at 15 sites throughout the study area. Two methods were used: spatial autocorrelation (SPAC) and frequency–wavenumber analysis (f-k), which allowed us to better constrain Rayleigh wave dispersion curves. The inversion of the dispersion curves derived from the f-k analysis allowed for estimating the shear-wave velocity profiles and the Vs30 value at the sites under study. The other important result of the present study is an empirical equation that has been proposed to predict Vs30 in the Oran region. The determination of near-surface shear-wave velocity profiles is an important step in the assessment of seismic hazard. This study has demonstrated the effectiveness of using ambient vibration array techniques to estimate the soil Vs structure.

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Characterization of Shallow Sedimentary Layers in the Oran Region Using Ambient Vibration Data

Saadi,

Galiana-Merino,

Semmane

et al. 2024

Applied Sciences

View full text Add to dashboard Cite

show abstract

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Near-Surface Rayleigh Wave Dispersion Curve Inversion Algorithms: A Comprehensive Comparison

Cited by 1 publication

References 122 publications

Characterization of Shallow Sedimentary Layers in the Oran Region Using Ambient Vibration Data

Characterization of Shallow Sedimentary Layers in the Oran Region Using Ambient Vibration Data

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