Log construction

E - Fixed Constructions – 04 – B

Patent

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Details

E04B 1/10 (2006.01) E04B 1/38 (2006.01) E04B 2/70 (2006.01) E04B 1/26 (2006.01)

Patent

CA 2206290

18 A log construction has a pair of logs, each having an end region with a surface portion thereon, wherein the surface portions are arranged to engage one another at a boundary therebetween, the boundary having a length. At least one barrier extends across the boundary and along the length thereof to couple the end regions together, the barrier having a pair of projections. Each of the logs has a passage open to and adjacent the boundary for receiving a corresponding one of the projections. Each projection has a pair of outer surfaces and the passage having a pair of inner surfaces, the outer and inner surfaces being further arranged to generate residual compressive forces toward the boundary as a result of shrinkage between the barrier and the end regions.

18 Cette invention concerne une construction pièce sur pièce où deux poutres contiguës ont chacune une extrémité façonnée de manière que leurs surfaces aboutantes de longueur donnée puissent s'imbriquer l'une dans l'autre. Au moins une clavette faisant toute la longueur des faces aboutantes sert à assembler les deux poutres par leurs extrémités, ladite clavette ayant une paire d'ailes. Chaque poutre comporte dans ses faces aboutantes une mortaise de forme adaptée à celle d'une des ailes de la clavette. Chaque aile de la clavette présente une paire de surfaces latérales et chaque mortaise, la configuration desdites surfaces ayant pour objet de générer des forces de compression résiduelles en direction des faces aboutantes lors du retrait qui affecte les tenons et les extrémités des poutres.

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