Chapter
Apr 26, 2012
SH-Wave Refraction/Reflection and Site Characterization
Authors: Zhenming Wang, Ron L. Street, Edward W. Woolery, and Ian P. MadinAuthor Affiliations
Publication: Use of Geophysical Methods in Construction
Abstract
Traditionally, nonintrusive techniques used to characterize soils have been based on P-wave refraction/reflection methods. However, near-surface unconsolidated soils are oftentimes water-saturated, and when groundwater is present at a site, the velocity of theP-waves is rnore related to the compressibility of the pore, water than to the matrix of the unconsolidated soils. Conversely, SH-waves are directly relatable to the soil matrix. This makes SH-wave refraction/reflection methods effective in site characterizations where groundwater is present. SH-wave methods have been used extensively in site characterization and subsurface imaging for earthquake hazard assessments in the central United States and western Oregon. Comparison of SH-wave investigations with geotechnical investigations shows that SH-wave refraction/reflection techniques are viable and cost-effective for engineering site characterization.
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© 2000 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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ASCE Technical Topics:
- Business management
- Engineering fundamentals
- Geomechanics
- Geotechnical engineering
- Geotechnical investigation
- Mathematical functions
- Mathematics
- Matrix (mathematics)
- Occupational safety
- Pore water
- Practice and Profession
- Public administration
- Public health and safety
- Safety
- Saturated soils
- Site investigation
- Soft soils
- Soil compression
- Soil dynamics
- Soil mechanics
- Soil properties
- Soil water
- Soils (by type)
- Water (by type)
- Water and water resources
- Water management
Authors
Affiliations
Zhenming Wang
Earthquake Geotechnical Specialist, Oregon Department of Geology and Mineral Industries, 800 NE Oregon Street #28, Suite 965, Portland, OR 97232
Ron L. Street
Associate Professor, Department of Geological Sciences, University of Kentucky, Lexington, KY 40506
Edward W. Woolery
Head, Engineering Seismology and Geological Hazards, Kentucky Geological Survey, University of Kentucky, Lexington, KY 40506
Ian P. Madin
Director, Geologic Mapping Program, Oregon Department of Geology and Mineral Industries, 800 NE Oregon Street #28, Suite 965, Portland, OR 97232
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