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Flexural properties of black locust (Robinia pseudoacacia L.) small clear wood specimens in relation to the direction of load application
Aristotelian University, Greece.ORCID iD: 0000-0002-6909-2025
2002 (English)In: European Journal of Wood and Wood Products, ISSN 0018-3768, E-ISSN 1436-736X, Vol. 60, no 5, p. 325-327Article in journal (Refereed) Published
Abstract [en]

Values of pure moduli of elasticity (PMOE), experimental modulus of elasticity (MOE) in static bending and moduli of rigidity (GLR, GLT) were calculated in juvenile and mature black locust defect-free small wood specimens after loading in static bending alternately on true radial and tangential surfaces. For both juvenile and mature specimens, no significant differences (t-test, 95% probability level) were found between the radial and tangential moduli of elasticity and rigidity. Values of PMOE were found to be 27–32% higher than the corresponding values of MOE at the 15:1 span-to-depth ratio.

Abstract [de]

Werte des schubfreien Biege-Elastizita¨tsmoduls (PMOE), des experimentellen MOE bei statischer Biegebelastung sowie der Schubmoduli (GLR, GLT) wurden berechnet fu¨r juveniles und reifes Robinienholz. Die Berechnung erfolgte anhand von fehlerfreien Proben nach statischer Belastung, und zwar abwechselnd in genau radialer bzw. tangentialer Richtung. Fu¨r juvenile und Reifholzproben wurden keine statisch signifikanten Unterschiede gefunden zwischen den Werten des radialen MOE und der Schubmodule GLR und GLT (t-Test, 95% Niveau). Die Werte der reinen Biegemodule (PMOE) erwiesen sich als 27–32% ho¨her als die entsprechende MOE-Werte bei einem Verha¨ltnis von Spannweiten zu Tiefe von 15:1.

Place, publisher, year, edition, pages
Springer, 2002. Vol. 60, no 5, p. 325-327
National Category
Wood Science
Research subject
Technology (byts ev till Engineering), Forestry and Wood Technology
Identifiers
URN: urn:nbn:se:lnu:diva-42427DOI: 10.1007/s00107-002-0328-7OAI: oai:DiVA.org:lnu-42427DiVA, id: diva2:805504
Available from: 2015-04-15 Created: 2015-04-15 Last updated: 2017-12-04Bibliographically approved

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Adamopoulos, Stergios

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