Flexural behaviour of glulam timber beams reinforced with FRP cords

Giovanni Minafo', Maurizio Papia, Marinella Fossetti

Risultato della ricerca: Articlepeer review

53 Citazioni (Scopus)


Glued laminated timber (glulam) is widely used as a construction material to make up lightweight and large span structures. The basic principle of this material consists in bonding together a number of layers of dimensioned timber with structural adhesives, in order to increase strength and stiffness of the member, and allowing to make up sustainable structures with great visual impact. Recent applications showed the effectiveness of fibre-reinforced polymer (FRP) composites in enhancing the structural performances of glulam beams, with particular reference on their flexural and shear strength. In fact FRP reinforcements could be used to strengthen existing structures or to reduce the dimensions of new structures to be designed. Considering the importance of the latter application, the present work shows the results of four-point bending tests on fifteen small scale glulam specimens, reinforced with glass (GFRP) or carbon (CFRP) cords, varying the kind of adhesive (epoxy resin or melamine glue). Eight further large-scale beams were tested in order to evaluate the role of the scale effect. Finally, an analytical model was developed, able to predict the behaviour of multilayer heterogeneous wood sections and which takes into account the effect of the reinforcements.
Lingua originaleEnglish
pagine (da-a)54-64
Numero di pagine11
RivistaConstruction and Building Materials
Stato di pubblicazionePublished - 2015

All Science Journal Classification (ASJC) codes

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