Seismic site characterization with shear wave (SH) reflection and refraction methods
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Abstract
Reflection and critically refracted seismic methods use traveltime measurements of body waves propagating between a source and a series of receivers on the ground surface to calculate subsurface velocities. Body wave energy is refracted or reflected at boundaries where there is a change in seismic impedance, defined as the product of material density and seismic velocity. This article provides practical guidance on the use of horizontally propagating shear wave (SH-wave) refraction and reflection methods to determine shear wave velocity as a function of depth for near-surface seismic site characterizations. Method principles and the current state of engineering practice are reviewed, along with discussions of limitations and uncertainty assessments. Typical data collection procedures are described using basic survey equipment, along with information on more advanced applications and emerging technologies. Eight case studies provide examples of the techniques in real-world seismic site characterizations performed in a variety of geological settings.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Seismic site characterization with shear wave (SH) reflection and refraction methods |
| Series title | Journal of Seismology |
| DOI | 10.1007/s10950-021-10042-z |
| Volume | 26 |
| Year Published | 2022 |
| Language | English |
| Publisher | Springer Link |
| Contributing office(s) | Geologic Hazards Science Center |
| Description | 22 p. |
| First page | 631 |
| Last page | 652 |
| Google Analytic Metrics | Metrics page |