• Title of article

    ThirtyyearsofmeasuredprestressatSwedishnuclearreactorcontainmentsReviewArticle

  • Author/Authors

    PatrickAnderson، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2005
  • Pages
    14
  • From page
    2323
  • To page
    2336
  • Abstract
    Themainfunctionofthereactorcontainment,i.e.toensuretightnessatamajorinternalaccident,dependsdirectlyontheprestressingsystem.Tosecurethattheprestresslevelissufficient,thetendonforcehasbeenmeasuredduringthewholetimeofoperation.Thegeneralresultsfromthesemeasurementsshowthatthelossofprestress30yearsaftertensioningisbetween5and10%.Thisismuchlowerlossthanpredictedinitiallyatthedesignstage.Moreadvancedandtodaycommonlyusedmodelsforpredictingprestresslossshowbetteragreementwiththeresults.Themainreasonsfortherelativelylowlossareassumedtobe:(1)theconfirmedslowdryingprocessoftheconcreteand(2)thehighconcreteageattheinitialtensioning.Theresultsalsoindicatethatthetemperaturehasamajorinfluenceonthelossofprestress.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2005
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    895947