Title of article :
Improvementoftheseismicsafetyofexistingnuclearpowerplantsbyanincreaseofthecomponentseismiccapacity:AcasestudyOriginalResearchArticle
Author/Authors :
Young-SunChoun، نويسنده , , In-KilChoi، نويسنده , , Jeong-MoonSeo، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2008
Abstract :
Thiscasestudyproducesthescenarioearthquakesforanexamplenuclearpowerplant(NPP)siteandsuggeststheeffectiveseismiccapacityofsafety-relatedequipmentandcomponentswhichsignificantlycontributetoacoredamagetoimprovetheseismicsafetyofanexistingNPPbyusingaprobabilisticsafetyassessment.Theresponsespectraforthescenarioearthquakesshowgreaterspectralaccelerationsthanthoseforthedesignresponsespectruminthefrequencyrangehigherthanabout12Hz.InordertoimprovetheseismicsafetyofanexampleNPP,theeffectsoftheseismiccapacityofsafety-relatedequipmentandcomponentsonthecoredamagefrequency(CDF)areinvestigated,andtheireffectiveseismiccapacitiesaredetermined.TheresultsofthecasestudyshowthatanincreaseoftheseismiccapacityoftheequipmentreducestheCDFconsiderably.Theeffectiveseismiccapacitiesforthedieselgenerator,offsitepower,condensatestoragetankandbatteryrackaredeterminedas0.84,0.35,0.63and0.63g,respectively.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
