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dc.contributor.author | Jayakody, Sanchitha Hema Sharendra | en |
dc.contributor.author | Uzuoka, Ryosuke | en |
dc.contributor.author | Ueda, Kyohei | en |
dc.contributor.author | Xu, Jiawei | en |
dc.contributor.alternative | 渦岡, 良介 | ja |
dc.contributor.alternative | 上田, 恭平 | ja |
dc.date.accessioned | 2023-11-30T23:59:19Z | - |
dc.date.available | 2023-11-30T23:59:19Z | - |
dc.date.issued | 2023-11 | - |
dc.identifier.uri | http://hdl.handle.net/2433/286239 | - |
dc.description.abstract | Antecedent rainfall is a prime factor for rainfall-induced landslides on unsaturated slopes. The effects of the intermittent behavior of antecedent rainfall on landslide initiation are uncertain. The work described here had the objective of showing the influence of antecedent intermittent rainfall patterns to predict landslide initiation. Soil slope models prepared from silty sand were tested in centrifuge model testing. At first, soil slopes experienced different antecedent rainfall patterns, namely, uniform gap, decreasing gap, and increasing gap, before they were exposed to continuous rainfall until the failure was initiated. The seepage and deformation behaviors of instrumented slopes were evaluated and back-analyzed with soil–water–air coupled hydromechanical finite element analysis using calibrated material parameters and suitable boundary conditions. The evolution of porewater pressure, displacements, and deviatoric strains was found to provide comparable responses. The analysis of incremental velocity clearly showed that times for landslide initiation follow the order of decreasing gap, uniform gap, and increasing gap antecedent rainfall patterns. The study identified that not only cumulative rainfall, but also antecedent intermittent rainfall patterns have a significant effect as a triggering agent and suggested incorporating it as a parameter for landslide early warning mechanisms. | en |
dc.language.iso | eng | - |
dc.publisher | Springer Nature | en |
dc.rights | © The Author(s) 2023 | en |
dc.rights | This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. | en |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | - |
dc.subject | Antecedent intermittent rainfall patterns | en |
dc.subject | Centrifuge modeling | en |
dc.subject | Landslides | en |
dc.subject | Numerical modeling | en |
dc.subject | Unsaturated slope | en |
dc.title | Unsaturated slopes behavior under antecedent intermittent rainfall patterns: centrifuge and numerical study | en |
dc.type | journal article | - |
dc.type.niitype | Journal Article | - |
dc.identifier.jtitle | Acta Geotechnica | en |
dc.identifier.volume | 18 | - |
dc.identifier.issue | 11 | - |
dc.identifier.spage | 5773 | - |
dc.identifier.epage | 5790 | - |
dc.relation.doi | 10.1007/s11440-023-02017-w | - |
dc.textversion | publisher | - |
dcterms.accessRights | open access | - |
datacite.awardNumber | 21H04575 | - |
datacite.awardNumber.uri | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21H04575/ | - |
dc.identifier.pissn | 1861-1125 | - |
dc.identifier.eissn | 1861-1133 | - |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.awardTitle | 現場観測と遠心模型実験に基づくダブルデータ駆動型リアルタイム豪雨地盤災害予測 | ja |
出現コレクション: | 学術雑誌掲載論文等 |
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