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'''Engineered bamboo''' is a low cost product manufactured from [[bamboo]]. 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=041547597X|publisher=CRC Press}}</ref> or [[engineered wood]], but is used only when high load bearing strength is not required<ref name=Birmingham>{{cite web|url=http://www.birmingham.ac.uk/research/activity/civil-engineering/short-term/computation/finite-mod/numerical-analysis-of-bamboo.pdf|author=Wan Tarmeze Wan Ariffin|publisher=[[University of Birmingham]]|title=Numerical Analysis of Bamboo and Laminated Bamboo Strip Lumber (PhD paper)|date=March 2005|accessdate=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|accessdate=2012-04-03}}</ref> Engineered bamboo comes in several different forms, including bamboo scrimber and laminated bamboo,<ref>{{cite web |url=http://dx.doi.org/10.1680/coma.14.00020 |title=Engineered bamboo: state of the art|author1=B. Sharma |author2=A. Gatoo |author3=M. Bock |author4=H. Mulligan |author5=M. Ramage |accessdate=September 29, 2015 |date= October 2014 |publisher='' Proceedings of the ICE - Construction Materials}}</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 |accessdate=May 28, 2013 |date=March 31, 2010 |publisher=''Architerials'' |title=My Boo (Lamboo)}}</ref> and is defined and regulated by the [[ASTM International]] 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|accessdate=July 23, 2013 |date=August 16, 2012 |publisher=''Woodworking Network}}</ref>
'''Engineered bamboo''' is a low cost product manufactured from [[bamboo]]. 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=041547597X|publisher=CRC Press}}</ref> or [[engineered wood]], but is used only when high load bearing strength is not required<ref name=Birmingham>{{cite web|url=http://www.birmingham.ac.uk/research/activity/civil-engineering/short-term/computation/finite-mod/numerical-analysis-of-bamboo.pdf |author=Wan Tarmeze Wan Ariffin |publisher=[[University of Birmingham]] |title=Numerical Analysis of Bamboo and Laminated Bamboo Strip Lumber (PhD paper) |date=March 2005 |accessdate=2012-04-03 }}{{dead link|date=December 2016 |bot=InternetArchiveBot |fix-attempted=yes }}</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 |accessdate=2012-04-03 |deadurl=yes |archiveurl=https://web.archive.org/web/20120130063112/http://www.inbar.int/Board.asp?BoardID=147 |archivedate=2012-01-30 |df= }}</ref> Engineered bamboo comes in several different forms, including bamboo scrimber and laminated bamboo,<ref>{{cite web |url=http://dx.doi.org/10.1680/coma.14.00020 |title=Engineered bamboo: state of the art|author1=B. Sharma |author2=A. Gatoo |author3=M. Bock |author4=H. Mulligan |author5=M. Ramage |accessdate=September 29, 2015 |date= October 2014 |publisher='' Proceedings of the ICE - Construction Materials}}</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 |accessdate=May 28, 2013 |date=March 31, 2010 |publisher=''Architerials'' |title=My Boo (Lamboo)}}</ref> and is defined and regulated by the [[ASTM International]] 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|accessdate=July 23, 2013 |date=August 16, 2012 |publisher=''Woodworking Network}}</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 [[2004 Indian Ocean earthquake and tsunami|2004 tsunami]].<ref>{{cite web|url=http://news.bbc.co.uk/1/hi/world/south_asia/4527640.stm|publisher=[[BBC]]|date=18 December 2005|author=Subir Bhaumik|title=Andaman tsunami victims still homeless|accessdate=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}}</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 [[2004 Indian Ocean earthquake and tsunami|2004 tsunami]].<ref>{{cite web|url=http://news.bbc.co.uk/1/hi/world/south_asia/4527640.stm|publisher=[[BBC]]|date=18 December 2005|author=Subir Bhaumik|title=Andaman tsunami victims still homeless|accessdate=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}}</ref>
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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>
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>


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=http://www.asee-ncsection.org/papers/185.pdf|author1=Bhavna Sharma |author2=Kent A. Harries |author3=Khosrow Ghavami |publisher=[[University of Pittsburgh]]}}</ref>
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=http://www.asee-ncsection.org/papers/185.pdf |author1=Bhavna Sharma |author2=Kent A. Harries |author3=Khosrow Ghavami |publisher=[[University of Pittsburgh]] }}{{dead link|date=December 2016 |bot=InternetArchiveBot |fix-attempted=yes }}</ref>


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.
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.

Revision as of 11:04, 24 December 2016

Engineered bamboo is a low cost product manufactured from bamboo. It is designed to be a replacement for wood[1] or engineered wood, but is used only when high load bearing strength is not required[2] because building standards for this type of use have not been agreed by regulatory bodies.[3] Engineered bamboo comes in several different forms, including bamboo scrimber and laminated bamboo,[4] which has three times the structural capacity as normal timber[5] and is defined and regulated by the ASTM International Standards.[6]

Engineered bamboo has been used as paneling, vehicle beds, concrete formworks,[2] lightweight building construction[7] and even for shelters after the 2004 tsunami.[8] 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.[9] Further benefits include greater hardness and shape retention, especially in high temperatures.[10]

However, bamboo is not as resilient as most woods and will decay more rapidly than other woods if not treated with preservatives.[11]

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.[12]

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.[13]

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 knee (construction).[14][15][16][17]

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 041547597X.
  2. ^ a b Wan Tarmeze Wan Ariffin (March 2005). "Numerical Analysis of Bamboo and Laminated Bamboo Strip Lumber (PhD paper)" (PDF). University of Birmingham. Retrieved 2012-04-03.[permanent dead link]
  3. ^ "Sustainable building: Building Codes". International Network for Bamboo and Rattan. Archived from the original on 2012-01-30. Retrieved 2012-04-03. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  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. Retrieved September 29, 2015. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  5. ^ Wu Xing (March 31, 2010). "My Boo (Lamboo)". Architerials. Retrieved May 28, 2013. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  6. ^ "Lamboo Inc. Recognized Within ASTM International Standards". Woodworking Network. August 16, 2012. Retrieved July 23, 2013. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  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.
  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" (PDF). University of Pittsburgh.[permanent dead link]
  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". "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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