Comparisons between deterministic and probabilistic liquefaction assessment approaches
Liquefaction assessments are commonly undertaken by geotechnical engineers using a deterministic approach. This approach does not appropriately take into account the significant uncertainties associated with a liquefaction assessment and can potentially compound the conservatism that is introduced when selecting input parameters. Therefore, the deterministic assessment approach can be conservative and the expected performance poorly understood. This research project looks at an alternative approach for liquefaction assessments – a probabilistic assessment. Other researchers have hypothetically experimented with the idea, but have never operationalised a probabilistic approach.
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