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Root cohesion estimation of riparian trees based on model uncertainty characterization
Zhou W.-H.; Qi X.-H.
2019-02-01
Source PublicationJournal of Materials in Civil Engineering
ISSN08991561
Volume31Issue:2
AbstractThe mechanical reinforcement effect of roots on soil shear strength is widely recognized and can be used in slope stability analyses based on the limit equilibrium or finite-element method. Although some advanced root reinforcement models have been proposed to evaluate root cohesion, these models require complicated algorithms and a large quantity of experimental data. This paper provides a simple method to estimate root cohesion based on an uncertainty characterization of a widely used root reinforcement model, theWu andWaldron model using root cohesion data for four riparian tree species. The capacity of the newly developed method is validated using the root cohesion data for another three species. It is found that the newly developed method has a much higher estimation accuracy of root cohesion than the Wu and Waldron model and has a potential to be applied to other tree species used for soil stabilization projects. The new method provides an alternative option for practitioners to evaluate root cohesion in stability analyses of hillslopes and riverbanks because it is simple and does not need many experiment data.
KeywordModel factor Model uncertainty Root cohesion Root reinforcement Wu and Waldron model
DOI10.1061/(ASCE)MT.1943-5533.0002600
URLView the original
Language英語
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Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
AffiliationUniversidade de Macau
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GB/T 7714
Zhou W.-H.,Qi X.-H.. Root cohesion estimation of riparian trees based on model uncertainty characterization[J]. Journal of Materials in Civil Engineering,2019,31(2).
APA Zhou W.-H.,&Qi X.-H..(2019).Root cohesion estimation of riparian trees based on model uncertainty characterization.Journal of Materials in Civil Engineering,31(2).
MLA Zhou W.-H.,et al."Root cohesion estimation of riparian trees based on model uncertainty characterization".Journal of Materials in Civil Engineering 31.2(2019).
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