The present paper deals with the bond behaviour of Fibre Reinforced Polymer (FRP) laminates glued to brittle substrates. Based on a similar proposal already available in the scientific literature for discrete-crack analyses on plain concrete, this work formulates a numerical model completely conceived within the general framework of Fracture Mechanics and plasticity-based concepts. This is the key novel aspect of the proposed work, whereas, as a matter of fact, the most common proposals and theoretical models available in the scientific literature and adopted for describing the bond behaviour of FRP-to-brittle adhesive joints are generally based on assuming "a priori" the analytical expression of the interface bond-slip law. Numerical applications demonstrate the soundness of the proposed formulation and show a very good agreement with experimental results of FRP-to-concrete bond-slip tests. © 2012 Elsevier Ltd.

A fracture-based interface model for simulating the bond behaviour of FRP strips glued to a brittle substrate

CAGGIANO, ANTONIO;MARTINELLI, Enzo
2013

Abstract

The present paper deals with the bond behaviour of Fibre Reinforced Polymer (FRP) laminates glued to brittle substrates. Based on a similar proposal already available in the scientific literature for discrete-crack analyses on plain concrete, this work formulates a numerical model completely conceived within the general framework of Fracture Mechanics and plasticity-based concepts. This is the key novel aspect of the proposed work, whereas, as a matter of fact, the most common proposals and theoretical models available in the scientific literature and adopted for describing the bond behaviour of FRP-to-brittle adhesive joints are generally based on assuming "a priori" the analytical expression of the interface bond-slip law. Numerical applications demonstrate the soundness of the proposed formulation and show a very good agreement with experimental results of FRP-to-concrete bond-slip tests. © 2012 Elsevier Ltd.
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11386/3916771
 Attenzione

Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo

Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 17
  • ???jsp.display-item.citation.isi??? 17
social impact