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| Titel: |
QUALITY OF GRUE-BOND EUCALYPTUS WOOD SPECIMEN GLUED IN TWO DIFFERENT DENSITIES AND SHEAR PLANES |
| Auteur: |
Moisés Silveira Lobão Adriana Gomes |
| Verschenen in: |
Cerne |
| Paginering: | Jaargang 12 (2006) nr. 2 pagina's 194-200 |
| Jaar: |
2006 |
| Inhoud: |
This work evaluate a glue-bond quality was also determined according to NBR 7190/97 in samples representing thetwo different densities and the shear planes. Eucalyptus lumber was purchased in the local market for the research purpose. It wasfoun, that the whole lot could be segregated into two sub-lots, one containing higher specific gravity timber, another containing lowerdensity wood, later, in samples made to represent the two different densities; the shear planes, however, included two possibilities: thetwo pieces that formed the block had their fibers both parallel or one of the parts had their fibers perpendicular to those of the otherpart. The adhesive used was resorcinol-formaldehyde. Shear strength was determined by compression using these blocks; thepercentage of wood failure was also measured. It was found that the low density wood glued better, because the average shear strengthof the blocks with fibers of the parts parallel to the direction of the force did not differ from the shear strength of solid wood. It was foundthe behavior of shear planes follows that of the samples made with fibers of the parts parallel to the shearing force. |
| Uitgever: |
Universidade Federal de Lavras - UFLA (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 88 van 112 gevonden artikelen
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