Spatial correlation of shear-wave velocity within San Francisco Bay Sediments
By: E.M. Thompson, L.G. Baise, and R. E. Kayen
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Abstract
Sediment properties are spatially variable at all scales, and this variability at smaller scales influences high frequency ground motions. We show that surface shear-wave velocity is highly correlated within San Francisco Bay Area sediments using shear-wave velocity measurements from 210 seismic cone penetration tests. We use this correlation to estimate the surface sediment velocity structure using geostatistics. We find that the variance of the estimated shear-wave velocity is reduced using ordinary kriging, and that including this velocity structure in 2D ground motion simulations of a moderate sized earthquake improves the accuracy of the synthetics. Copyright ASCE 2006.
Suggested Citation
Thompson, E., Baise, L., Kayen, R.E., 2006, Spatial correlation of shear-wave velocity within San Francisco Bay Sediments, in GeoCongress 2006: Geotechnical Engineering in the Information Technology Age, v. 2006, Atlanta, GA, 26 February 2006 through 1 March 2006, https://doi.org/10.1061/40803(187)134.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Spatial correlation of shear-wave velocity within San Francisco Bay Sediments |
| ISBN | 0784408033; 9780784408032 |
| DOI | 10.1061/40803(187)134 |
| Volume | 2006 |
| Publication Date | April 26, 2012 |
| Year Published | 2006 |
| Language | English |
| Larger Work Title | GeoCongress 2006: Geotechnical Engineering in the Information Technology Age |
| First page | 134 |
| Conference Title | GeoCongress 2006 |
| Conference Location | Atlanta, GA |
| Conference Date | 26 February 2006 through 1 March 2006 |