地震作用下混凝土面板堆石壩三維動力響應(yīng)及易損性分析

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關(guān)鍵詞：混凝土面板堆石壩；地震作用；三維靜動力響應(yīng)；變形特性；易損性分析圖分類號：TV61 文獻(xiàn)標(biāo)志碼：A doi：10.3969/j.issn.1000-1379.2025.07.004引用格式：胡少偉，廖一，許耀群，等.地震作用下混凝土面板堆石壩三維動力響應(yīng)及易損性分析[J].人民黃河，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

近年來，我國西南高烈度地震區(qū)（如川滇藏交界地帶）規(guī)劃建設(shè)了多座混凝土面板堆石壩。（剩余10937字）