Abstract
Laminated bamboo in structural applications has the potential to change the way buildings are constructed. The fibrous microstructure of bamboo can be modelled as a fibre-reinforced composite. This study compares the results of a fibre volume fraction analysis with previous experimental beam bending results. The link between fibre volume fraction and bending stiffness shows that differences previously attributed to preservation treatment in fact arise due to strip thickness. Composite theory provides a basis for the development of future guidance for laminated bamboo, as validated here. Fibre volume fraction analysis is an effective method for non-destructive evaluation of bamboo beam stiffness.
Highlights
The use of bamboo in structural applications is a rapidly developing new field of research which has the potential to change the way that buildings and infrastructure are constructed
These results show that laminated bamboo can be modelled as a fibre reinforced composite
Use of smaller constituent strips leads to a higher overall fibre volume fraction, with thinner strips obtained from the outer culm, which has a high concentration of fibres
Summary
The use of bamboo in structural applications is a rapidly developing new field of research which has the potential to change the way that buildings and infrastructure are constructed. As the effects of climate change have become more widely understood and documented, there has been a global effort to find new low carbon structural materials to reduce CO2 emissions from construction. This has led to bamboo being reconsidered as an alternative structural material. Bamboo is widespread across the developing world in Africa, Asia and South America where the demand for new building materials is rapidly increasing It will grow in far poorer soils than most trees, meaning that it is often found in otherwise resource-poor areas [4]. The composites utilise the raw bamboo culm, processed with physical and chemical methods, to
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