Title of article
PredictionofradialstressesduetoprestressinginPSCshellsOriginalResearchArticle
Author/Authors
SouravAcharya، نويسنده , , DevdasMenon، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2003
Pages
17
From page
109
To page
125
Abstract
Largeprestressedconcrete(PSC)shells,suchassilos,containmentstructuresareprestressedalongtheirprincipalcurvatures.Prestressingcablesareprovidedinthethicknessoftheshelleitherinoneortwodirections.Thestressesnormaltothemiddlesurfacearegenerallyneglectedinthedesignofsuchshellstructures.However,thedevelopmentofradialtensilestressesatthetimeofprestressingcanleadtopossibledelaminationfailure,ifthesestressesareexcessive.Thispaperpresentssimpleprocedurestoestimatetheradialstressdistributionduetoprestressing.Twomethodsarepresented:‘equilibriumofslice’and‘modifiedLamé,’thelatterbeingmorerigorousandapplicabletobothsinglyanddoublycurvedshells.Thesolutionsobtainedareinconformitywiththeresultsoffiniteelementanalysispublishedearlier.Finally,anattemptismadetodeterminethelocaltensilestressdistributionattheperipheryoftheprestressingducthole,whichalsocontributedtotheproblemofdelamination.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2003
Journal title
Nuclear Engineering and Design Eslah
Record number
894601
Link To Document