Title of article
DegradationassessmentofstructuresandpassivecomponentsatnuclearpowerplantsOriginalResearchArticle
Author/Authors
J.I.Braverman، نويسنده , , C.A.Miller، نويسنده , , C.H.Hofmayer، نويسنده , , B.R.Ellingwood، نويسنده , , D.J.Naus، نويسنده , , T.Y.Chang، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2004
Pages
22
From page
283
To page
304
Abstract
Thispaperdescribesamulti-yearresearchprogramtoassessage-relateddegradationofstructuresandpassivecomponentsimportanttothesafeoperationofnuclearpowerplants(NPPs).Thepurposeoftheresearcheffortistodevelopthetechnicalbasisforthevalidationandimprovementofanalyticalmethodsandacceptancecriteriawhichcanbeusedtomakerisk-informeddecisionsandtoaddresstechnicalissuesrelatedtodegradationofstructuresandpassivecomponents.Theapproachadoptedforthisresearchprogramconsistsoftwophases.InPhaseI,specificdegradationoccurrencesatplantswerecollectedandevaluated,existingtechnicalinformationonagingwasreviewed,andascopingstudywasperformedtoidentifywhichstructuresandcomponentsshouldbestudiedinthesubsequentphasesoftheresearchprogram.BasedontheresultsofthePhaseIeffort,selectedstructuresandpassivecomponentsareevaluatedinPhaseIItoassesstheeffectsofage-relateddegradationusingexistingandenhancedanalyticalmethods.Fragilityanalysesareperformedforundegradedanddegradedstructuresandpassivecomponents.Theseresultscanthenbeusedtoassessthepotentialimpactofdegradationonoverallplantrisk.ThePhaseIIeffortalsoutilizestheresultsoftheanalysestodevelopprobabilisticdegradationacceptancecriteriaforthestructuresandpassivecomponentsstudied.Theseresearchactivitiesprovideusefultoolstosupportthecurrentgoalsofdevelopingrisk-informedandperformance-basedregulationinthenuclearindustry.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2004
Journal title
Nuclear Engineering and Design Eslah
Record number
894687
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