土石坝安全鉴定渗流反演分析现状与应用研究

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中图分类号：TV62 文献标志码：A 文章编号：2095-2945（2025）25-0087-06

Abstract：Thispaperanalyzesthesepagecasesofsafetyidentificationof1Olarge-scalereservoirearth-rockdamsin ZhejiangProvinceinrecentyears，anddrawsthecurentsituationthatinversionanalysisisnotwidelyused，themethodsare outdated，andtheresultsarenotstandardized.Thedeep-seatedreasonsfortheproblemsareexplored，andtheirimpactondam safetyisexplainedbasedoncurrentreservoirdispatch.Aimingatinversionaplications，basedonmonitoringdata，common analysissoftwareandmethods，afull-processapplicationanalysismethodtatintegratesnumericalsimulationandthesubjective experienceofenginersisproposedRegresionanalysis，potentialaalysisanddeviationanalysisareusedtocalibrateivesion conditionsandmeasuringpointdata.，trialalgorithmcombinedwithsensitivityanalysisisusedtoinvert，empiricaljudgment methodisusedtostudyandjudgetheprimaryandcalibratedparameters，andcomparedwiththeoriginaldesigntoimprovethe practicalityandreliabilityofinversion.Usingthismethod，basedonthemonitoringdatafrom2O07to2O17，threewaterlevel conditionswereselected，andtheinversionofLaoshikanReservoir，whichhadundergonethreetimesofheighteningand reinforcement，wassuesfullycarriedout，providingreferencefortheapplicationandpopularizationofseepageinversionin safety identification.

Keywords： earth-rock dam; dam seepage; inversion analysis;whole process； application method

根据相关资料统计，在因工程质量问题导致的土石坝溃坝案例中，渗流问题导致的溃坝占比 23.68%[1] 2012年浙江省岱山县沈家坑水库溃坝，造成11人死亡、倒塌房屋210间特大事故，其主因也是渗流破坏。（剩余6892字）