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| Titel: |
Effect of nondestructive testing of laminations on the bending properties of glulam beams made from louro-vermelho (Sextonia rubra) |
| Auteur: |
Ricardo Faustino Teles Cláudio Henrique Soares Del Menezzi Mário Rabelo de Souza Frederico de Souza |
| Verschenen in: |
Cerne |
| Paginering: | Jaargang 16 (2010) nr. 1 pagina's 77-85 |
| Jaar: |
2010 |
| Inhoud: |
This work aims to assess the bending properties of glued laminated timber beams (glulam) manufactured with species red louro (Sextonia rubra). Laminations were nondestructively tested using the transverse vibration method (EMlam). Then 10 glulam beams were manufactured and tested in static bending according to ASTM D 198 standard, having modulus of elasticity (EM), modulus of rupture (fM), and bending moment (M) determined. The finished beams were also tested by the transverse vibration method (EMvt). It was noted that the EMvt value was only 2% lower than the EM value. Using laminations with a high modulus of elasticity did allow effective gain in stiffness. Therefore, results indicate that the transverse vibration method is a valid, reliable technique both for testing glulam laminations and for assessing stiffness in finished beams. Bending properties in glulam beams were influenced by the stiffness of constituent laminations. |
| Uitgever: |
Universidade Federal de Lavras (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 2 van 10 gevonden artikelen
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