Use of Geostatistical Analyses for Characterizing Variability in NGL Database Lateral Spreads
Publication: Geo-Congress 2023
ABSTRACT
Lateral spread case histories in the NGL database differ in a key manner from the majority of liquefaction case histories compiled by NGL; lateral variability is critically important for lateral spreading. This project examines the Heber Road case history that has primary CPT subsurface data and uses geostatistical tools to study this case history in terms of layer continuity and overall variability for each case history. Different valid realizations of the subsurface are compared to conventional lateral spread prediction methods and measured lateral displacements. No lateral displacement sections are also studied for the site. This work shows (1) that not all viable geostatistical realizations will result in conditions for lateral spread despite the measured occurrence and (2) that geostatistical tools can be essential tools for helping understand if continuity conditions exist at a site for lateral spreading conditions to be present if sufficient spatially distributed data of acceptable quality exist.
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REFERENCES
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Information & Authors
Information
Published In
Geo-Congress 2023
Pages: 29 - 37
History
Published online: Mar 23, 2023
ASCE Technical Topics:
- Case studies
- Computing in civil engineering
- Construction engineering
- Construction management
- Continuum mechanics
- Data analysis
- Databases
- Displacement (mechanics)
- Engineering fundamentals
- Engineering mechanics
- Geomechanics
- Geotechnical engineering
- Highway and road management
- Highway transportation
- Highways and roads
- Information Technology (IT)
- Infrastructure
- Methodology (by type)
- Project management
- Research methods (by type)
- Soil dynamics
- Soil liquefaction
- Soil mechanics
- Soil properties
- Solid mechanics
- Structural mechanics
- Transportation engineering
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