钢制安全壳整体性试验过程中温度变形的修正方法

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中图分类号：TU501 文献标志码：A 文章编号：2095-2945（2026）08-0085-04

Abstract：Aimingattheproblemthattheoveralltestdataofthesteelcontainment structureisgreatlydisturbedby temperatureandcannotbedirectlyusedforstructuralperformanceevaluation，thetemperaturefielddistributiontypeofthesteel containmentshellisfirstanalyzed，andathermalandmechanicalcouplinganalysismodelofthestelcontainmentshellis established.Thermalandmechanicalcouplingcalculationsarecarredoutontheradialdeformationoftheshellbarelandthe verticaldeformationofthedomeunderdiferenttemperatures，andtheinfluenceoftemperatureonthedeformationofthesteel shellisevaluated；fromtheperspectiveofengineeringpracticality，atemperaturedeformationcorrctionmatrixofsteel containmentisconstructedandaapidcalculationmethodoftemperaturedeformationofsteelcontainmentisestablished.An exampleanalysisiscarredoutonthespecificapplicationofthismethod.Theresultsshowthattheproposedmethodcan achievetemperaturecorrectionofshelldeformationbasedonmeasuredtemperaturedata，avoidingcomplexfiniteelementmodeling calculations.

Keywords：stlontainentvessel;structuralintegitytest;temperaturefect;defmationorrction;orrectioatrix

核电厂安全壳结构是抵御核安全事故的最后一道物理屏障，确保安全壳始终处于良好的服役状态是保证核电厂安全运行的基础。（剩余3749字）