Comparison of Three Surface Wave Measurements and a Seismic Downhole Measurement in a Complex-Layered System
Three commercially-available seismic surface wave methods (SWM) were tested at a challenging site containing a high velocity layer (HVL). Methods tested included two active-source SWMs, the Spectral Analysis of Surface Waves method and the Multichannel Analysis of Surface Waves method; and one passive-source SWM, the Refraction Microtremor method. A borehole log and data from a shallow downhole seismic measurement were also available for comparison. While shear wave velocity profiles for the three methods were different, slowness-averaged velocities were comparable. None of the SWMs successfully resolved the HVL. The underlying cause can be the inherent capacity of the methods for averaging velocity with depth.
Seismic waves; Seismic waves—Measurement; Surface waves; Surface waves--Measurement
Civil and Environmental Engineering | Civil Engineering | Construction Engineering and Management | Operations Research, Systems Engineering and Industrial Engineering | Structural Engineering | Systems Engineering | Tectonics and Structure
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Comparison of Three Surface Wave Measurements and a Seismic Downhole Measurement in a Complex-Layered System. In Anand J. Puppala; Dante Fratta; Khalid Alshibli; Sibel Pamukcu,
Site and Geomaterial Characterization, 149
American Society of Civil Engineers.