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Effect of end pressure on performance of structural finger-joined lumber fabricated using a short joint profile |
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| Authors: | Shuzhan Rao Meng Gong Y H Chui Mohammad Mohammad |
| Affiliation: | 1. Faculty of Forestry and Environmental Management, University of New Brunswick, 28 Dineen Drive, Fredericton, NB, E3B 5A3, Canada 3. Wood Science and Technology Centre, University of New Brunswick, 1350 Regent Street, Fredericton, NB, E3C 2G6, Canada 2. FPInnovations, Station E, PO Box 4659, Ottawa, ON, K1S 5H8, Canada |
| Abstract: | This study was to examine the effect of end pressure on the mechanical properties and delamination resistance of structural black spruce (Picea mariana) finger-joined lumber made of a short (12.7-mm-long) finger profile. End pressures used were 2.00, 3.43, 6.00 and 8.00 MPa. 8.00 MPa yielded the greatest 5th percentile ultimate tensile strength, but caused cracks at tips of a joint. It was recommended that 2.00 MPa be used as the optimized end pressure from the viewpoint of energy saving. |
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