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dc.contributor.authorKim, Yongminen_US
dc.contributor.authorRahardjo, Hariantoen_US
dc.contributor.authorNistor, Margarit Mirceaen_US
dc.contributor.authorSatyanaga, Alfrendoen_US
dc.contributor.authorLeong, Eng Choonen_US
dc.contributor.authorSham, Aaron Wai Lunen_US
dc.identifier.citationKim, Y., Rahardjo, H., Nistor, M. M., Satyanaga, A., Leong, E. C. & Sham, A. W. L. (2022). Assessment of critical rainfall scenarios for slope stability analyses based on historical rainfall records in Singapore. Environmental Earth Sciences, 81(2), 39-.
dc.description.abstractRainfall-induced slope failure occurs in many countries including Singapore where slopes are mostly covered with residual soils. Although the significance and impact of rainfall infiltration in inducing slope failures are widely investigated, there have been diverse conclusions regarding the relative roles between soil and rainfall to slope failures under various environmental conditions. In this study, parametric studies were carried out for seven rainfall scenarios and two soils to explore the critical rainfall scenarios affecting the slope stability in Singapore. Special attention was given to the analyses of intensity and duration of the rainfall based on historical rainfall data during the period of 1982–2017 in Singapore. A transient seepage analysis was conducted, and the computed pore-water pressures were used in stability analyses to calculate the variation of factor of safety of the slope during rainfall. The results indicated that the slope with low permeability soil is mainly affected by the 5-day rainfall scenario, while the slope with high permeability soil is mainly affected by the maximum daily rainfall scenario in Singapore. Three case studies clearly validated the findings of this study.en_US
dc.description.sponsorshipBuilding and Construction Authority (BCA)en_US
dc.relation.ispartofEnvironmental Earth Sciencesen_US
dc.rights© 2022 The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. This version of the article has been accepted for publication, after peer review and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at:
dc.subjectEngineering::Civil engineering::Geotechnicalen_US
dc.titleAssessment of critical rainfall scenarios for slope stability analyses based on historical rainfall records in Singaporeen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Civil and Environmental Engineeringen_US
dc.description.versionSubmitted/Accepted versionen_US
dc.subject.keywordsRainfall Scenariosen_US
dc.subject.keywordsResidual Soilen_US
dc.subject.keywordsSlope Stabilityen_US
dc.subject.keywordsNumerical Analysisen_US
dc.description.acknowledgementThe authors would like to acknowledge the funding support from Building Construction Authority and the sharing of the data from Singapore Land Authority, who are the collaborators of the project on The Development of Slope Management and Susceptibility Geographical Information System.en_US
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