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DC FieldValueLanguage
dc.contributorFaculty of Construction and Environmenten_US
dc.contributor.advisorLeung, Y. F. Andy (CEE)-
dc.creatorZhou, Limin-
dc.identifier.urihttps://theses.lib.polyu.edu.hk/handle/200/10052-
dc.languageEnglishen_US
dc.publisherHong Kong Polytechnic University-
dc.rightsAll rights reserveden_US
dc.titleImpact of spatial variability in geotechnical properties on building foundationsen_US
dcterms.abstractMany factors may lead to the failure of a civil engineering building, such as actions and materials, the effects of the actions and its resistances. The uncertainty of the soil properties is one of the significant influence factors on the foundation. The soil spatial variability can be analyzed using statistical methods for reliability assessment. In this project, the moment estimation method is used to display the corresponding autocovariance with the variation of the estimates. The correlation structures from both vertical and horizontal directions are established based on the SPT blow data from sites in Hong Kong. In two sites, the tendencies of the vertical autocovariance are similar (decreasing from 0.3-0.5 to zero). For the horizontal autocovariance curves, it is found that when the horizontal distance is increasing in one coordinate direction, the autocovariance for the soil properties near the ground presents a bigger change on trend. However, compared with the results of vertical autocovariance, the variation of the autocovariance in one coordinate direction does not present an obvious tendency on trend. In addition, a retaining stability study based on a simpler form of FOSM method is conducted.en_US
dcterms.extentviii, 59 pages : color illustrationsen_US
dcterms.isPartOfPolyU Electronic Thesesen_US
dcterms.issued2018en_US
dcterms.educationalLevelM.Sc.en_US
dcterms.educationalLevelAll Masteren_US
dcterms.LCSHHong Kong Polytechnic University -- Dissertationsen_US
dcterms.LCSHFoundationsen_US
dcterms.LCSHSoil mechanicsen_US
dcterms.LCSHGeotechnical engineeringen_US
dcterms.accessRightsrestricted accessen_US

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Please use this identifier to cite or link to this item: https://theses.lib.polyu.edu.hk/handle/200/10052