Page 158 - 《水资源与水工程学报》2025年第2期
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modelrevealsthatincreasedrainfallinfiltrationdepthcausestheshearzonewithintheslopetoexpand
fromthetoetothecrest ,leadingtogradualslopeinstability.Thesafetyfactordecreasesfrom2.46under
naturalconditionsto0.72whentheinfiltrationdepthreaches200cm,indicatingasignificantimpactof
rainfallinfiltrationdepthonslopestability.Thesefindingsprovideimportantinsightsintothechangesin
moisturefieldsinloessslopesandthepredictionoflandslides ,contributingtoabetterunderstandingand
preventionofgeologicalhazards.
Keywords:loess;nonpondinginfiltration;slopestability;simulationofHYDRUS1Dmodel;wetting
front ;numericalsimulationwithFLAC3D
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