Eighth International Conference on Case Histories in Geotechnical Engineering
Updated Reference Shear Wave Velocity Curves for Near-Surface Site Characterization
Publication: Geo-Congress 2019: Engineering Geology, Site Characterization, and Geophysics (GSP 311)
ABSTRACT
A total of 150 multi-channel analysis of surface waves array setups using Rayleigh waves were performed along the centerline crest and landside toe of the Melvin Price Reach of the Wood River Levee. Reference shear wave velocity (VS) curves for various soil types, proposed in previous studies, were utilized to resolve the soil type and soil stiffness for both the body and foundation of the levee and then the results were compared to the extensive boring log data to evaluate the accuracy of the reference VS curves for near-surface site characterization. The results indicate that while the existing reference VS curves are valuable for soil classification at deeper depths, they fail to accurately predict the soil type and soil stiffness for very shallow depths due to the minimum effect of confining stress on VS. Modified versions of the reference VS curves are developed for soft clay and loose sand for very shallow depths, where the current reference VS curves fall short of correctly predicting soil type and soil stiffness.
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Information & Authors
Information
Published In
Geo-Congress 2019: Engineering Geology, Site Characterization, and Geophysics (GSP 311)
Pages: 324 - 333
Editors: Christopher L. Meehan, Ph.D., University of Delaware, Sanjeev Kumar, Ph.D., Southern Illinois University Carbondale, Miguel A. Pando, Ph.D., University of North Carolina Charlotte, and Joseph T. Coe, Ph.D., Temple University
ISBN (Online): 978-0-7844-8213-1
Copyright
© 2019 American Society of Civil Engineers.
History
Published online: Mar 21, 2019
ASCE Technical Topics:
- Continuum mechanics
- Curvature
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering mechanics
- Flow (fluid dynamics)
- Fluid dynamics
- Fluid mechanics
- Fluid velocity
- Geomechanics
- Geometry
- Geotechnical engineering
- Hydrologic engineering
- Mathematics
- Rayleigh waves
- Seismic waves
- Shear waves
- Soft soils
- Soil classification
- Soil mechanics
- Soil properties
- Soil stress
- Soils (by type)
- Solid mechanics
- Surface waves
- Water and water resources
- Wave velocity
- Waves (mechanics)
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