Effects of soil-foundation-structure interaction on seismic structural response via robust Monte Carlo simulation (2011)
Type of ContentJournal Article
PublisherUniversity of Canterbury. Civil and Natural Resources Engineering
University of Canterbury. Mechanical Engineering
Uncertainties involved in the characterization and seismic response of soil-foundation-structure systems along with the inherent randomness of the earthquake ground motion result in very complex (and often controversial) effects of soil-foundation-structure interaction (SFSI) on the seismic response of structures. Conventionally, SFSI effects have been considered beneficial (reducing the structural response), however, recent evidence from strong earthquakes has highlighted the possibility of detrimental effects or increase in the structural response due to SFSI. This paper investigates the effects of SFSI on seismic response of structures through a robust Monte Carlo simulation using a wide range of realistic SFS systems and earthquake input motions in time-history analyses. The results from a total of 1.36 million analyses are used to rigorously quantify the SFSI effects on structural distortion and total horizontal displacement of the structure, and to identify conditions (system properties and earthquake motion characteristics) under which SFSI increases the structural response.
CitationMoghaddasi, M., Cubrinovski, M., Chase, J.G., Pampanin, S., Carr, A. (2011) Effects of soil-foundation-structure interaction on seismic structural response via robust Monte Carlo simulation. Engineering Structures, 33(4), pp. 1338-1347.
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KeywordsMonte Carlo simulation; soil-foundation-structure interaction; equivalent linear model; ground motion; uncertainties
ANZSRC Fields of Research40 - Engineering::4005 - Civil engineering::400506 - Earthquake engineering
40 - Engineering::4005 - Civil engineering::400504 - Construction engineering
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Probabilistic evaluation of soil-foundation-structure interaction effects on seismic structural response Moghaddasi, M.; Cubrinovski, M.; Chase, Geoff; Pampanin, Stefano; Carr, A. (University of Canterbury. Civil and Natural Resources EngineeringUniversity of Canterbury. Mechanical Engineering, 2011)Complex seismic behaviour of soil-foundation-structure (SFS) systems together with uncertainties in system parameters and variability in earthquake ground motions result in a significant debate over the effects of ...
Moghaddasi, M.; Cubrinovski, M.; Pampanin, Stefano; Carr, A.J.; Chase, Geoff (University of Canterbury. Civil and Natural Resources EngineeringUniversity of Canterbury. Mechanical Engineering, 2010)Investigating the seismic demand of structures integrating soil-foundation-structure interaction (SFSI) effects is a demanding task as a result of the complexity of the coupled dynamic problem. It is also augmented by the ...
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