Glued-laminated bamboo: Node and joint failure in bamboo laminations in tension

A.J.M. Jorissen, J. Voermans, M.H. Jansen

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8 Citaten (Scopus)
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Samenvatting

In glued-laminated bamboo beams loaded in bending, failure is initiated at the outermost lamination on the tension side. Failure can be initiated by a weak zone in the material or joint depending on the efficiency of the latter. Since the outermost laminations at the tension side of the beam are subjected to nearly a uniform tension force, failure in both unjointed and jointed laminations loaded in tension was studied. Based on an analytical study in combination with numerical simulations, it was found that failure of unjointed laminations for Phyllostachys pubescens is always initiated at a joint in such a way that stresses are not able to redistribute. This was confirmed by experimental tests. To lengthen the laminations, scarf-joints with a slope of 1 in 10 turned out to be very effective. By experimental tets it was found that a joint efficiency of 93 per cent could be achieved. Due to the stochastic behaviour of the strength of nodes and joints, failure in beams can be initiated by both.
Originele taal-2Engels
Pagina's (van-tot)137-144
Aantal pagina's8
TijdschriftJournal of Bamboo and Rattan
Volume6
Nummer van het tijdschrift3-4
StatusGepubliceerd - 2007

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