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Compression failure mechanism in small-scale wood specimens reinforced with CFRP: An experimental study
RISE - Research Institutes of Sweden (2017-2019), Material och produktion, SICOMP. Chalmers University of Technology, Sweden.ORCID-id: 0000-0003-2460-8160
Chalmers University of Technology, Sweden.
RISE - Research Institutes of Sweden (2017-2019), Material och produktion, SICOMP.ORCID-id: 0000-0002-2627-3280
2013 (Engelska)Ingår i: Construction and Building Materials, ISSN 0950-0618, E-ISSN 1879-0526, Vol. 41, s. 790-800Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

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 experiments. The experimental results of reinforced specimens are compared with those of paired unreinforced specimens tested in a previous study. The experimental method presented in this study shows that specific geometry and test considerations must be implemented when compared with the existing method for unreinforced specimens.

Ort, förlag, år, upplaga, sidor
2013. Vol. 41, s. 790-800
Nyckelord [en]
CFRP, Compression failure parallel to the grain, Ductility, Experimental method, Kinkband, Strengthening, Timber, Wood
Nationell ämneskategori
Materialteknik
Identifikatorer
URN: urn:nbn:se:ri:diva-13160DOI: 10.1016/j.conbuildmat.2012.12.038Scopus ID: 2-s2.0-84873341885OAI: oai:DiVA.org:ri-13160DiVA, id: diva2:973356
Tillgänglig från: 2016-09-22 Skapad: 2016-09-22 Senast uppdaterad: 2023-06-07Bibliografiskt granskad

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Förlagets fulltextScopushttp://www.sciencedirect.com/science/article/pii/S0950061812009956

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André, AlannOlsson, Robin

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