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{{Short description|Composite material made of bamboo}}
{{article incubator|status=start}}
'''Engineered bamboo''' is a set of composite products produced from ]. It is designed to be a replacement for wood<ref>{{cite book|title=Modern bamboo structures: proceedings of First International Conference on Modern Bamboo Structures|author1=Yan Xiao |author2=Masafumi Inoue |author3=Shyam K. Paudel |year=2008|isbn=978-0415475976|publisher=CRC Press|author1-link=Yan Xiao }}</ref> or ], but is used only when high load bearing strength is not required<ref name=Birmingham>{{cite web|url=https://www.scribd.com/document/101916202/Going-Green-A-Handbook-of-Sustainable-Housing-Practices-in-Developing-Countries |author=Wan Tarmeze Wan Ariffin|publisher=]|title=Numerical Analysis of Bamboo and Laminated Bamboo Strip Lumber (PhD paper)|date=March 2005|access-date=2012-04-03 }}</ref> because building standards for this type of use have not been agreed by regulatory bodies.<ref>{{cite web|url=http://www.inbar.int/Board.asp?BoardID=147 |title=Sustainable building: Building Codes |publisher=International Network for Bamboo and Rattan |access-date=2012-04-03 |url-status=dead |archive-url=https://web.archive.org/web/20120130063112/http://www.inbar.int/Board.asp?BoardID=147 |archive-date=2012-01-30 }}</ref> Engineered bamboo comes in several different forms, including bamboo scrimber and laminated bamboo,<ref>{{cite journal |title=Engineered bamboo: state of the art|author1=B. Sharma |author2=A. Gatoo |author3=M. Bock |author4=H. Mulligan |author5=M. Ramage |date= October 2014 |journal= Proceedings of the ICE - Construction Materials |doi=10.1680/coma.14.00020 |volume=168 |issue=2 |pages=57–67}}</ref> which has three times the structural capacity as normal timber<ref>{{cite web |url=http://www.architerials.com/2010/03/my-boo-lamboo/ |author=Wu Xing |access-date=May 28, 2013 |date=March 31, 2010 |publisher=Architerials |title=My Boo (Lamboo) |archive-url=https://web.archive.org/web/20130609112532/http://www.architerials.com/2010/03/my-boo-lamboo/ |archive-date=June 9, 2013 |url-status=dead }}</ref> and is defined and regulated by the ] Standards.<ref>{{cite web |url=http://www.woodworkingnetwork.com/news/woodworking-industry-trends-press-releases/Lamboo-Inc-Recognized-Within-ASTM-International-Standards-191449271.html?view=all#sthash.0Nn2aAt2.dpbs |title=Lamboo Inc. Recognized Within ASTM International Standards|access-date=July 23, 2013 |date=August 16, 2012 |website=Woodworking Network}}</ref>
'''Engineered bamboo''' is a processed bamboo, often laminated. It can be made into many different forms for each of the various applications in which it is used. It is frequently used to replace wood over which it has a number of advantages including its much shorter maturity than trees allowing it to be harvested in a shorter cycle.<ref>{{cite book|title=Modern bamboo structures: proceedings of First International Conference on Modern Bamboo Structures|author=Yan Xiao, Masafumi Inoue, Shyam K. Paudel|year=2008|isbn=041547597X|publisher=CRC Press}}</ref>


Engineered bamboo has been used as paneling, vehicle beds, concrete formworks,<ref name=Birmingham/> lightweight building construction<ref>{{cite book|title=Structural Adequacy of Traditional Bamboo Housing in Latin America|author=Jorge A. Gutiérrez|publisher=National Laboratory for Materials and Structural Models, Civil Engineering Department, University of Costa Rica|year=2000|isbn=8186247440}}</ref> and even for shelters after the ].<ref>{{cite web|url=http://news.bbc.co.uk/1/hi/world/south_asia/4527640.stm|publisher=]|date=18 December 2005|author=Subir Bhaumik|title=Andaman tsunami victims still homeless|access-date=2012-04-03}}</ref> In comparison to the woods that have been traditionally used, a number of benefits and drawbacks have been identified. Lower cost, especially when replacing wood that would otherwise have been imported, is a key advantage.<ref name=ACIAR>{{cite book|title=Silvicultural management of bamboo in the Philippines and Australia for shoots and timber|publisher=Australian Centre for International Agricultural Research|author=Merlyn Carmelita N. Rivera|page=11}}</ref> Further benefits include greater hardness and shape retention, especially in high temperatures.<ref>{{cite journal|title=Bamboo composites: Material of the future|author1=Bansal, Arun K. |author2=Zoolagud, S.S.|volume=1|number=2|year=2002|pages=119–130|journal=Journal of Bamboo and Rattan|doi=10.1163/156915902760181595|doi-access=free}}</ref>
==Process==


However, bamboo is not as resilient as most woods and will decay more rapidly than other woods if not treated with preservatives.<ref>{{cite journal|title=Preservation of bamboo structures|journal=Ghana Journal of Forestry|volume=15|page=156|year=2004|author=W Liese}}</ref>
] can be cut and ] into sheets and planks. This process involves cutting ] into thin slats, plaining them flat, putting through a ] process of boiling and drying and then are glued, pressed and finished<ref>{{cite web|url=http://www.absoluteastronomy.com/topics/Bamboo |title=Bamboo: Facts, Discussion Forum, and Encyclopedia Article |publisher=Absoluteastronomy.com |date= |accessdate=2012-02-11}}</ref>. Products made from bamboo laminate, also known as ] (short for laminated-bamboo), can be included in window and door applications, panels and ], cabinetry, furniture, and it is even a structural grade material. Decorative and architectural uses are currently surging in popularity, transitioning from the boutique market to mainstream providers. Laminated bamboo can be used for structural elements and is stronger than wood and more rapidly renewable. Bamboo laminate board, lamboo, can be used to substitute wooden applications in all areas of architecture.


New building methods have had to be developed for engineered bamboo as its properties are sufficiently different, and make normal wood-working methods used with (non-engineered) bamboo unsuitable.<ref>{{cite web|title=\"Work in Progress – Pushover Test of Bamboo Portal Frame Structure\" |url=https://www.researchgate.net/publication/228451834 |author1=Bhavna Sharma|author2=Kent A. Harries|author3=Khosrow Ghavami|publisher=] }}</ref>
==History==


In order to overcome the typical loss of strength bamboo incurs when bending takes place post-harvest, an alternative method to overcome this has been developed.
Engineered bamboo was developed by a company working with the ].


Pre-harvest bending of the bamboo stems in zig-zags, allows the bamboo to later form a ].<ref>
==Benefits==
Cassandra Adams.
Engineered bamboo is appealing because it sequesters 35% more ], has stronger material properties, and is resistant to thermal expansion. The quality of laminated bamboo varies between manufacturers and the maturity of the plant from which it was harvested (six years being considered the optimum); the sturdiest products fulfill their claims of being up to three times harder than ]. Panel composites made from bamboo have better strength and dimensional stability when compared to panels made from several fast growing timbers.<ref>{{cite journal|title=Bamboo composites: Material of the future|author=Bansal, Arun K. and Zoolagud, S.S.|volume=1|number=2|year=2002|pages=119-130|journal=Journal of Bamboo and Rattan}}</ref>
.
</ref>


Alexander Vittouris has proposed a much simpler 2D S-bend shape, which—after harvesting, and in sufficient quantities—could be assembled into a variety of 3D shapes. The ] technique used to make both shapes is similar to ], and result in parts similar to ].<ref>Alexander Vittouris and Mark Richardson.
==Usage==
{{Webarchive|url=https://web.archive.org/web/20120916212029/http://www.velomobileseminar.com/downloads/Vittouris_Design-diversity.pdf |date=2012-09-16 }}.
"Section 4.4: Structural pre-harvest deformation of bamboo".
2012.</ref><ref>
Kimberley Mok.
.
2011.
</ref><ref>
Brit Liggett.
.
2011.
</ref><ref>
Stephen Cauchi.
2011.
</ref>


⚫ ==References==
Temporary shelters were constucted following the ] in the eastern Andaman and Nicobar archipelago for the 10,000 families that were left homeless. Following objections from local non-governmental organisations to the initial plans to use pre-fabricated metal structures for permanent housing new designs were proposed using wood and engineered bamboo.<ref>{{cite web|url=http://news.bbc.co.uk/1/hi/world/south_asia/4527640.stm|publisher=]|date=18 December 2005|author=Subir Bhaumik|title=Andaman tsunami victims still homeless|accessdate=2012-04-03}}</ref>
{{reflist|2}}


{{Wood products}}


]
]



⚫ ==References==
{{manufacturing-stub}}
<references>

Latest revision as of 02:56, 13 July 2024

Composite material made of bamboo

Engineered bamboo is a set of composite products produced from bamboo. It is designed to be a replacement for wood or engineered wood, but is used only when high load bearing strength is not required because building standards for this type of use have not been agreed by regulatory bodies. Engineered bamboo comes in several different forms, including bamboo scrimber and laminated bamboo, which has three times the structural capacity as normal timber and is defined and regulated by the ASTM International Standards.

Engineered bamboo has been used as paneling, vehicle beds, concrete formworks, lightweight building construction and even for shelters after the 2004 tsunami. In comparison to the woods that have been traditionally used, a number of benefits and drawbacks have been identified. Lower cost, especially when replacing wood that would otherwise have been imported, is a key advantage. Further benefits include greater hardness and shape retention, especially in high temperatures.

However, bamboo is not as resilient as most woods and will decay more rapidly than other woods if not treated with preservatives.

New building methods have had to be developed for engineered bamboo as its properties are sufficiently different, and make normal wood-working methods used with (non-engineered) bamboo unsuitable.

In order to overcome the typical loss of strength bamboo incurs when bending takes place post-harvest, an alternative method to overcome this has been developed.

Pre-harvest bending of the bamboo stems in zig-zags, allows the bamboo to later form a Warren truss.

Alexander Vittouris has proposed a much simpler 2D S-bend shape, which—after harvesting, and in sufficient quantities—could be assembled into a variety of 3D shapes. The arboriculture technique used to make both shapes is similar to tree shaping, and result in parts similar to woodworking knees.

References

  1. Yan Xiao; Masafumi Inoue; Shyam K. Paudel (2008). Modern bamboo structures: proceedings of First International Conference on Modern Bamboo Structures. CRC Press. ISBN 978-0415475976.
  2. ^ Wan Tarmeze Wan Ariffin (March 2005). "Numerical Analysis of Bamboo and Laminated Bamboo Strip Lumber (PhD paper)". University of Birmingham. Retrieved 2012-04-03.
  3. "Sustainable building: Building Codes". International Network for Bamboo and Rattan. Archived from the original on 2012-01-30. Retrieved 2012-04-03.
  4. B. Sharma; A. Gatoo; M. Bock; H. Mulligan; M. Ramage (October 2014). "Engineered bamboo: state of the art". Proceedings of the ICE - Construction Materials. 168 (2): 57–67. doi:10.1680/coma.14.00020.
  5. Wu Xing (March 31, 2010). "My Boo (Lamboo)". Architerials. Archived from the original on June 9, 2013. Retrieved May 28, 2013.
  6. "Lamboo Inc. Recognized Within ASTM International Standards". Woodworking Network. August 16, 2012. Retrieved July 23, 2013.
  7. Jorge A. Gutiérrez (2000). Structural Adequacy of Traditional Bamboo Housing in Latin America. National Laboratory for Materials and Structural Models, Civil Engineering Department, University of Costa Rica. ISBN 8186247440.
  8. Subir Bhaumik (18 December 2005). "Andaman tsunami victims still homeless". BBC. Retrieved 2012-04-03.
  9. Merlyn Carmelita N. Rivera. Silvicultural management of bamboo in the Philippines and Australia for shoots and timber. Australian Centre for International Agricultural Research. p. 11.
  10. Bansal, Arun K.; Zoolagud, S.S. (2002). "Bamboo composites: Material of the future". Journal of Bamboo and Rattan. 1 (2): 119–130. doi:10.1163/156915902760181595.
  11. W Liese (2004). "Preservation of bamboo structures". Ghana Journal of Forestry. 15: 156.
  12. Bhavna Sharma; Kent A. Harries; Khosrow Ghavami. "\"Work in Progress – Pushover Test of Bamboo Portal Frame Structure\"". University of Pittsburgh.
  13. Cassandra Adams. "Bamboo Architecture and Construction with Oscar Hidalgo".
  14. Alexander Vittouris and Mark Richardson. "Designing for Velomobile Diversity: Alternative opportunities for sustainable personal mobility" Archived 2012-09-16 at the Wayback Machine. "Section 4.4: Structural pre-harvest deformation of bamboo". 2012.
  15. Kimberley Mok. "Ajiro Bamboo Velobike: A "Grown Vehicle" That's Farmed, Not Factory-Made". 2011.
  16. Brit Liggett. "The Ajiro Bamboo Bike is Grown From the Ground Up". 2011.
  17. Stephen Cauchi. "Bamboozled? Give it a grow" 2011.
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