Geotechnical Earthquake Engineering and Soil Dynamics V
Reevaluation of SPT-Based Liquefaction Case History Using Earthquake Demand Energy
Publication: Geotechnical Earthquake Engineering and Soil Dynamics V: Liquefaction Triggering, Consequences, and Mitigation (GSP 290)
ABSTRACT
This study uses an earthquake energy attenuation model to reevaluate a SPT-based liquefaction case history database collected by previous researchers. The necessary information such as mechanism of faulting, average shear wave velocity of the top 30 m of the sites, and site-to-source distance were added to the database. The earthquake demand energy (EDE) of liquefied and non-liquefied sites were calculated and then plotted versus corresponding SPT-N values. Based on the results, a SPT-based liquefaction triggering curve was suggested that can be used in the practice. The mathematical expression of the curve makes the possibility of using SPT-N value as an alternative to the soil capacity energy, which its determination is associated with some complications and difficulties for engineers. Finally, the proposed liquefaction triggering curves are compared with the previous correlations, which are based on mainly the same case histories, and the slight differences between them are discussed.
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Information & Authors
Information
Published In
Geotechnical Earthquake Engineering and Soil Dynamics V: Liquefaction Triggering, Consequences, and Mitigation (GSP 290)
Pages: 493 - 501
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:
- Case studies
- Computing in civil engineering
- Continuum mechanics
- Curvature
- Databases
- Dynamics (solid mechanics)
- Earthquakes
- Electric power
- Energy engineering
- Engineering fundamentals
- Engineering mechanics
- Flow (fluid dynamics)
- Fluid dynamics
- Fluid mechanics
- Fluid velocity
- Geohazards
- Geomechanics
- Geometry
- Geotechnical engineering
- Hydrologic engineering
- Information Technology (IT)
- Mathematics
- Methodology (by type)
- Power demand
- Research methods (by type)
- Seismic waves
- Shear waves
- Soil liquefaction
- Soil mechanics
- Soil properties
- Solid mechanics
- Water and water resources
- Wave velocity
- Waves (mechanics)
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