Performance-based probabilistic assessment of liquefaction-induced building settlements

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dc.contributor.authorLiu, Chenying
dc.contributor.authorMacedo, Jorge
dc.contributor.authorCandia, Gabriel
dc.date.accessioned2021-11-26T20:00:51Z
dc.date.available2021-11-26T20:00:51Z
dc.date.issued2021
dc.description.abstractThe current state of practice in the estimation of liquefaction-induced building settlements (LIBS) relies on pseudoprobabilistic approaches in which the estimation of ground motion intensity measures (IMs) is separated from the estimation of LIBS. In contrast, in a performance-based probabilistic approach, the estimation of the IM hazard is coupled with the estimation of the LIBS hazard. Thus, engineers can obtain LIBS estimates that are directly related to a selected design hazard level (or return period), which is more consistent with performance-based design. In this study, we present new developments for the performance-based probabilistic evaluation of LIBS, including 1) the performance-based assessment of LIBS considering the hazard from a single IM in the context of scalar probabilistic seismic hazard assessment (PSHA), 2) the performance-based assessment of LIBS considering the hazard from multiple IMs in the context of vector PSHA, 3) deaggregation of earthquake scenarios from LIBS hazard curves, 4) estimation of LIBS hazard curves in areas where earthquakes from multiple tectonic settings can occur (e.g., shallow crustal, subduction), and 5) treatment of uncertainties (i.e., aleatory and epistemic). The developments are implemented in a computational platform named "LIBS", which is fully coupled with PSHA assessments and facilitates the straightforward performance-based estimation of LIBS in engineering practice. Finally, we perform comparisons of performance-based and pseudoprobabilistic-based estimates of LIBS and share insights from the comparisons.es
dc.identifier.citationChenying Liu, Jorge Macedo, Gabriel Candia, Performance-based probabilistic assessment of liquefaction-induced building settlements, Soil Dynamics and Earthquake Engineering, Volume 151, 2021, 106955es
dc.identifier.urihttps://doi.org/10.1016/j.soildyn.2021.106955es
dc.identifier.urihttp://hdl.handle.net/11447/5122
dc.language.isoenes
dc.subjectLiquefaction-induced settlementses
dc.subjectPerformance-based designes
dc.subjectSettlement hazard curveses
dc.subjectProbabilistic seismic hazard assessmentes
dc.titlePerformance-based probabilistic assessment of liquefaction-induced building settlementses
dc.typeArticlees

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