Mechanical and physical characterization of composite bamboo-Guadua products: Plastiguadua

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Archila, H. , Takeuchi, C. P. and Trujillo, D. and University of Bath, BA2 7AY, Bath, United Kingdom, Universidad Nacional de Colombia, BRE Centre for Innovative Construction Materials, University of Bath, BA2 7AY, Bath, United Kingdom, University of Coventry (2014) Mechanical and physical characterization of composite bamboo-Guadua products: Plastiguadua. In: WCTE 2014 - World Conference on Timber Engineering 2014, Quebec City, Canada, 10-14 August 2014. Available from:

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The bamboo species Guadua angustifolia Kunth (Guadua) was subjected to different fibre extraction processes, chemically treated and used in combination with a set range of polymers to form various composite materials. Novel technologies and artisan methods for veneer production and fibre extraction were explored. Extensive experimental work was undertaken on the composites manufacture, mixes and arrangements to form flat sheets. Physical and mechanical properties of these sheets were assessed on two material configurations: Plastiguadua-L and Plastiguadua-P. The former was a laminated material with 70% by weight of thin veneers of Guadua and 30% thermoset polyester resin. The latter had a 1:1 ratio by weight of short fibre bundles and resin content respectively. For the mechanical characterization, bending, tensile and impact-Izod tests were undertaken. Rockwell hardness, UV, condensation and water absorption were carried out to assess their physical properties. Values obtained for the elastic properties of Plastiguadua-L were lower than those of Plastiguadua-P, whilst strength values showed the opposite response for both bending, tension and impact. Bending and tensile modulus of elasticity for the former were 3.96 GPa and 2.21 GPa respectively, and 4.61 GPa and 2.38 GPa respectively for the latter. Tensile and impact strength values obtained were 38.3 MPa and 20.73 MPa respectively for Plastiguadua-L and 157 J/m and 55 J/m respectively for Plastiguadua-P. Improved resistance to degradation was observed through the UV/condensation test on samples embedded on resin when compared to those with none or slight preservation treatments. Overall, the research project showcased a range of products manufactured by mixing different forms of Guadua fibres and mats with polymers and assessed the mechanical and physical features of two of them. The project focused on a holistic approach to the use and manufacture of bamboo products for engineering applications and as potential substitutes for wood applications.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: bamboo composite materials, Guadua angustifolia Kunth, Mechanical properties; Bamboo Bending tests; Characterization; Composite materials; Epoxy resins; Fibers; mechanical properties, timber, veneers, water absorption
Faculty/Department: Faculty of Environment and Technology > Department of Architecture and the Built Environment
Depositing User: Dr H. F. Archila
Date Deposited: 04 Mar 2019 15:58
Last Modified: 04 Mar 2019 15:58


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