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Engineered Wood Products

Special Applications of Low Grade Hardwood in Engineered Wood ProductsCompleted

Project leaders: Blanchet, Pierre
 

Objective:

Abstract:

This project investigated the use of low value wood (white birch and balsam fir) to make laminated beams of the type used for post-and-beam construction in Japan. The use of low-grade woods in engineered wood products like glulam would provide value for such species. Three different glulam beam layups were tested and each used white birch for the flanges (outer laminations) and balsam fir for the webs (inner laminations). Although these mixed species beams had a pleasing appearance, failure of the white birch finger-joints in the tension (lower) portion of the beams resulted in performance that does not meet strength requirements for the Japanese market. However, the layups tested may have some applications for select North American niche markets, and there are other possibilities for making beams for the Japanese market, for example, by using sugar maple or yellow birch for the flange material.

 

Start date: 2002-04-01 End date: 2003-04-28
 

Reports:

 

For more information on this project, please contact:

Blanchet, Pierre
FPInnovations
Email: pierre.blanchet@fpinnovations.ca
Telephone: (418) 659-2647
Fax: (418) 659-2922
 
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