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Compression failure mechanism in small-scale wood specimens reinforced with CFRP: An experimental study

A. Andre ; Robert Kliger (Institutionen för bygg- och miljöteknik, Konstruktionsteknik) ; R. Olsson
Construction and Building Materials (0950-0618). Vol. 41 (2013), p. 790-800.
[Artikel, refereegranskad vetenskaplig]

The optimal use of Carbon Fibre Reinforced Polymer (CFRP) when strengthening timber beams loaded in bending involves considering placing the reinforcement on both the tension and the compression side, in order to utilise the ductile compression failure of the wood to the full. In this respect, a knowledge and understanding of the compression failure mechanism of the timber/CFRP system becomes a point of paramount importance. However, no testing method specific to the compression loading of small wood specimens reinforced with CFRP is currently available. This investigation focuses on the experimental developments of the geometry and test set-up necessary in order to determine the compression failure mechanism of small wood block specimens reinforced With CFRP loaded in compression parallel to the grain. The method is based on an existing testing method for unreinforced wood specimens. The Digital Image Correlation (DIC) method is used to monitor deformation during experim!

Nyckelord: Timber, CFRP, Compression failure parallel to the grain, Ductility, Kinkband, Experimental method, Strengthening, Wood

Denna post skapades 2013-05-27.
CPL Pubid: 177433


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Institutioner (Chalmers)

Institutionen för bygg- och miljöteknik, Konstruktionsteknik (2005-2017)



Chalmers infrastruktur