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Compressive strength and stiffness of Radiata Pine laminated veneer lumber

Druckfestigkeit und Steifigkeit von Furnierschichtholz der Radiatakiefer

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Abstract

This paper describes results of experimental testing of compressive strength and stiffness of laminated veneer lumber (LVL) manufactured in New Zealand from Radiata Pine. It evaluates material properties of 45, 63 mm LVL and 36 mm crossbanded LVL in the three different material directions. Testing has been performed according to Australian/New Zealand Standards and European Standards. Results from experimental testing according to both standards are compared and a newly proposed method for strength increase due to stress spreading has been verified. Recommended design values for strength and stiffness are given.

Zusammenfassung

In dieser Arbeit werden die Ergebnisse der Druckfestigkeits- und Steifigkeitsprüfungen von Furnierschichtholz (LVL), das in Neuseeland aus Radiatakiefernholz hergestellt wurde, vorgestellt. Die Materialeigenschaften von 45, 63 mm LVL sowie von 36 mm LVL mit 2 Querlagen werden in den drei verschiedenen Materialrichtungen untersucht. Geprüft wurde gemäß australischen/neuseeländischen Normen sowie europäischen Normen. Die Ergebnisse der Prüfungen nach beiden Normen wurden verglichen und die Eignung eines kürzlich vorgeschlagenen Verfahrens zur Bestimmung der Druckfestigkeit quer zur Faserrichtung wurde bestätigt. Bemessungswerte für die Festigkeit und Steifigkeit werden empfohlen.

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Acknowledgements

LVL was supplied by Nelson Pine Industries Ltd., and the industry support from Andy van Houtte is gratefully acknowledged. Thanks to Alan Poynter for helping out with the test setup and instrumentation. The financial support of the Structural Timber Innovation Company (STIC) is greatly appreciated.

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Authors and Affiliations

  1. Department of Civil and Natural Resources Engineering, University of Canterbury, Private Bag 4800, Christchurch, 8140, New Zealand

    Wouter A. van Beerschoten & Alessandro Palermo

  2. BRANZ, Private Bag 50908, Porirua, 5240, New Zealand

    David M. Carradine

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  1. Wouter A. van Beerschoten
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  2. David M. Carradine
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  3. Alessandro Palermo
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Correspondence to Wouter A. van Beerschoten.

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van Beerschoten, W.A., Carradine, D.M. & Palermo, A. Compressive strength and stiffness of Radiata Pine laminated veneer lumber. Eur. J. Wood Prod. 71, 795–804 (2013). https://doi.org/10.1007/s00107-013-0741-0

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  • DOI: https://doi.org/10.1007/s00107-013-0741-0

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