地震作用下混凝土面板堆石坝三维动力响应及易损性分析

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关键词：混凝土面板堆石坝；地震作用；三维静动力响应；变形特性；易损性分析图分类号：TV61 文献标志码：A doi：10.3969/j.issn.1000-1379.2025.07.004引用格式：胡少伟，廖一，许耀群，等.地震作用下混凝土面板堆石坝三维动力响应及易损性分析[J].人民黄河，2025，47（7）：20-27.

Three-Dimensional Dynamic Response and Vulnerability Assessment of Concrete-Faced Rockfill Dams Under Seismic Action

HU Shaowei，LIAO Yi，XU Yaoqun，HU Yuquan，ZHAO Yahong （Collge of Water Conservancy and Transportation， Zhengzhou University，Zhengzhou 450oo1，China

Abstract：Conretefacerckflldams（CFRDs）arewidelyutlidinwatercoservancyandydropowerengineigduetoeirecet durablity，strogimpabilitydostfiessoeeirsicsfetyuringceasdiantoc study，aconcretefcerockfilldamlocatedonteupperreachesofteYelowRiverwasselectedasteresearchobectBasedontestruc turalchracterstisftndlocalodiios，dmesoaumecalodelasablstulate’a icresponseunderseismicactionbyintegrating teuncan-Changmodelandtheconcretedamageplasticityconstitutivemodel.Troughhis model，thedyamicsponssoftedaudervaryingsismicitesitiswereaalyd，evealingthvolutioofstrssdistrbutioad structuraldefoationcaracteristics.esultsindcatetatthiticalnsproetoraersedamageuersismicactiooated attw-fthsofttotalghtfeoetefceandhtoslb.Futeoreasedonomputatioalsults，eoelatobtwen failurevariablesducturalamgepatesudersictosivestigated，derabilityusuderdienticte sitylevelswereplotedThefiningsdemonstratethatwiththeicreaseofseismicintensity，tevnerabilitycuressoaightwrdshit trend，and the failure probability of the dam body rises significantly.

Keywords：conetefceckflldm；seisicloading;thdmensioalstaticnddamicespose；efoatioharacteiss；uln ability analysis

0 引言

近年来，我国西南高烈度地震区（如川滇藏交界地带）规划建设了多座混凝土面板堆石坝。（剩余10937字）