ANALISI NUMERICA NON LINEARE DEL COMPORTAMENTO POST FESSURATIVO DI CALCESTRUZZI RINFORZATI CON FIBRE DI ACCIAIO

Abstract

The present paper deals with numerical analysisof post cracking behaviour of Steel FiberReinforced Concrete (SFRC) beams in bending.Starting from experimental results of four pointbending tests (4BPT), made on notched beams,the scope of the work was the determination ofmaterial tensile constitutive relationship by meansof numerical modelling ("inverse analysis"). Thenumerical analyses were carried out by using thesoftware TNO Diana 9.4.2.Two different modelswere developed to analyse the post crackingbehaviour of SFRC notched beam: the first wasbased on the discrete crack approach and thesecond on the smeared crack approach. Theresults of the two analysis were than compared.The constitutive material relationship proposed byCNR DT 204-2006 was also analysed using boththe models afore mentioned. Results of thenumerical analysis are presented and discussed


Autore Pugliese

Tutti gli autori

  • E.Vasanelli; M.A. Aiello

Titolo volume/Rivista

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Anno di pubblicazione

2010

ISSN

Non Disponibile

ISBN

978-88-903647-6-1


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Settori ERC

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