Title of article
Thestrengthreserveduetorestrainedbendinginbrittle-matrixstructuresOriginalResearchArticle
Author/Authors
MarekJanas، نويسنده , , JoannaSok??-Supel، نويسنده , , GrzegorzBielawski، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2005
Pages
11
From page
1837
To page
1847
Abstract
Purelyflexural(i.e.,intheabsenceofmembraneforces)responseofstructureswithno-tensionorquasi-brittlematrixisrarelypossible.Whenin-planedisplacementsatslabsupportsarerestrained,importantcompressivemembraneforcesoccurfromtheverybeginningofthedeformationprocess.Theystrengthenseriouslythestructure(the“domeeffect”)butmakeitsresponseextremelyunstable.Therefore,theanalysisaimingatevaluationoftheultimatestrengthforsuchstructures,evenwhenbasedonasimpleelastic–plasticmodel,appearstobecumbersomeandfrustratingpotentialusers.Thecorrespondinggeometricallynon-linearprocedures,especiallyifcommercialfiniteelementcodesareused,becomeslowandcapricious.ThedirectFEMapproachtorestrainedbendingisstilloflimitedutilityforpracticalpurposesandsimplifiedmethodsareneeded,especiallyforrapiddiagnosticofmassiveconcreteslabs.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2005
Journal title
Nuclear Engineering and Design Eslah
Record number
894962
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