1 bamboo as a building material - rwth aachen …institute for bamboo as a building material...
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Bamboo as a Building Material1
Bamboo as a Building MaterialInstitute for Structural DesignRWTH Aachen University
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- giant grass
- distribution: tropical areas
- growth: telescope-like diameter decreases with increasing height growth exclusively in length no changes in thickness
- Guadua Angustifolia: growth in length: 12 cm / day height: 20-25m diameter: about 12 cm
- lignifi cation: after about 3 years
- harvest after about 5 years
The Bamboo PlantBamboo as a Building MaterialInstitute for
Structural DesignRWTH Aachen University
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- cell section
- divided in nodes and segments
- strengthened by diaphragms at the nodes
- all fi bers orientated lengthwise: softer at the inside harder at the outside
> light
> Tensile strength nearly as high as steel!
The Bamboo CulmBamboo as a Building MaterialInstitute for
Structural DesignRWTH Aachen University
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Bamboo as a Building MaterialInstitute for Structural DesignRWTH Aachen University Advantages of Bamboo
- fast growing natural material
- binding of CO2
- sustainability
- available in large amounts (countries of origin)
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Bamboo as a Building MaterialInstitute for Structural DesignRWTH Aachen University Advantages of Bamboo as a Building Material
- high mechanical strength
- high fl exibility (earthquake-proof)
- inexpensive and sustainable
- development of new areas of application for bamboo in the building industry
- innovative application for represantative buildings with high span widths
- application possible in countries of origin as well as in Europe (tropical panache)
- encouragement of autonomy in the countries of origin by export (pre-fabrication)
- application as whole culm or as pre-fabricated product (e.g. plates)
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Bamboo as a Building MaterialInstitute for Structural DesignRWTH Aachen University Bamboo Space Frames
- thrust load: maximum utilization of the mechanical properties of the bamboo profi le (tube with reinforcements, fi brousity)
- better environmental performance for use of whole bamboo culms than for processed products.
- prefabrication of construction elements: - easy and fast application - no adjustments at the construction site - quality assurance by prefabrication
- joint construction transferable from other materials (e.g. Mero/steel etc.)
- reusability of beams and joints