basis thevariationandcharacteristicsofthestressfieldanddisplacementfieldofXuehuaGР ;Рpinglandslideweredescribed thispaperalsoresearchedthedisplacementandstressvariationofXuehuapGРinglandslide.TheresultsshowthatthechangeofupperreservoirwaterlevelwouldobviouslyinfluencetheР ,РdistortionofXuehuapinglandslideunderthesecondcondition andthepostmedianofslidingbeltshowsРsteepermorphologyandhaslargedamageareathanfrontpartofslidingbelt.РKeywords: ; ; ;Р landslide deformationcharacteristics reservoirlevelriseandfall formationmechanismРР [责任编校:裴 琴]