Abstract

Surface wave (Rayleigh wave) seismic data were acquired at six separate bridge sites in southeast Missouri. Each acquired surface wave data set was processed (spectral analysis of surface waves; SASW) and transformed into a site-specific vertical shear-wave velocity profile (SASW shear-wave velocity profile). The SASW shear-wave velocity profiles generated for each bridge site were compared to other geotechnical data including seismic cone penetrometer shear-wave velocity profiles, cross-borehole shear-wave velocity profiles, and borehole lithology logs. The geotechnical data presented herein indicate the SASW shear-wave velocity profiles correlate well with subsurface lithology logs and available cross-borehole shear-wave velocity control. More specifically, clays, silts and sands exhibit relatively characteristic SASW shear-wave velocities, which increase incrementally with increasing depth of burial. We believe these correlations demonstrate that SASW shear-wave velocities are reliable.

Department(s)

Geosciences and Geological and Petroleum Engineering

Second Department

Civil, Architectural and Environmental Engineering

Sponsor(s)

Missouri Department of Transportation

Keywords and Phrases

surface waves; SASW; seismic; cone penetrometer; shear waves; cross borehole; southeast Missouri; shear modulus

Report Number

RDT-03-006; RI-01-006; RI-01-053

Document Type

Report - Technical

Document Version

Final Version

File Type

text

Language(s)

English

Rights

© 2003 University of Missouri-Rolla, All rights reserved.

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