Geotechnical Earthquake Engineering and Soil Dynamics V
Liquefaction Probability Curves for Three Surficial Sand Deposits near Charleston, South Carolina
Publication: Geotechnical Earthquake Engineering and Soil Dynamics V: Liquefaction Triggering, Consequences, and Mitigation (GSP 290)
ABSTRACT
Liquefaction probability curves for three Quaternary sand deposits near Charleston, South Carolina, are derived in this paper. The derivation is based on seismic cone penetration test profiles for 33 sites in the Holocene beach to barrier-island deposits (Qhs); 24 sites in the 33,000- to 85,000-year-old Silver Bluff terrace (Qsbs); and 91 sites in the 70,000- to 130,000-year-old Wando Formation (Qws). Liquefaction potential is expressed in terms of the liquefaction potential index (LPI). The effect of aging processes on liquefaction potential is considered through a correction factor based on the ratio of measured shear-wave velocity (VS) to estimated VS. The liquefaction probability curves are expressed as functions of peak ground acceleration, magnitude, and probability that LPI is greater than or equal to a threshold value for surface manifestation of liquefaction at level ground sites. The results indicate that Qhs exhibits the highest probability for a given level of ground shaking, followed by Qsbs and then Qws.
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ACKNOWLEDGMENTS
The authors thank the United States Geological Survey (USGS), Department of the Interior, who provided support under Grant No. G16AP00118. The views and conclusions contained in this document are those of the writers and should not be interpreted as necessarily representing the official policies, either expressed or implied, of the United States Government. The authors also thank Billy Camp and Kyle Murrell of S&ME, Inc., Matthew Silveston of Terracon, and Michael Cox of Palmetto In-Situ for their generous assistance with data collection.
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Information & Authors
Information
Published In
Geotechnical Earthquake Engineering and Soil Dynamics V: Liquefaction Triggering, Consequences, and Mitigation (GSP 290)
Pages: 374 - 383
Editors: Scott J. Brandenberg, Ph.D., University of California, Los Angeles, and Majid T. Manzari, Ph.D., George Washington University
ISBN (Online): 978-0-7844-8145-5
Copyright
© 2018 American Society of Civil Engineers.
History
Published online: Jun 7, 2018
ASCE Technical Topics:
- Barrier islands
- Beach profiles
- Beaches
- Coastal engineering
- Coasts, oceans, ports, and waterways engineering
- Curvature
- Engineering fundamentals
- Flow (fluid dynamics)
- Fluid dynamics
- Fluid mechanics
- Fluid velocity
- Geology
- Geomechanics
- Geometry
- Geotechnical engineering
- Geotechnical investigation
- Hydrologic engineering
- Islands
- Mathematics
- Penetration tests
- Probability
- Seismic tests
- Shores
- Soil liquefaction
- Soil mechanics
- Soil properties
- Tests (by type)
- Water and water resources
- Wave velocity
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