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Predicting shear and internal bond properties of flakeboard

Zur Berechnung der Scher- und Querzugfestigkeit von Bauspanplatten

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Abstract

Relations defining interlaminar shear and rail shear in terms of specific gravity and flake alinement of flakeboard have been developed for several flake types. Equations relating internal bond to specific gravity are also given. Prediction of rail shear values using the above equations was relatively accurate. Considerable variation existed in predictions of interlaminar shear and internal bond properties.

Zusammenfassung

Für die Berechnung der Scherfestigkeit von Bauspanplatten in Plattenebene und der Festigkeit bei Kanten-Diagonalschub (rail shear) mit Hilfe der Rohdichte und der Späneorientierung wurden mathematische Beziehungen für verschiedene Spänearten entwickelt. In gleicher Weise wurden Gleichungen für die Beziehung zwischen Querzugfestigkeit und Rohdichte erstellt. Die Berechnung der Festigkeit bei Kanten-Diagonalschub (rail shear) gelang mit den aufgestellten Gleichungen relativ genau. Beträchtliche Abweichungen ergaben sich dagegen bei der Bestimmung der Scherfestigkeit in Plattenebene und bei der Querzugfestigkeit.

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Literature

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Authors and Affiliations

  1. Forest Service, Forest Products Laboratory, U.S. Department of Agriculture, Madison, Wis

    R. L. Geimer

Authors
  1. R. L. Geimer
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Maintained at Madison, Wis., in cooperation with the University of Wisconsin

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Geimer, R.L. Predicting shear and internal bond properties of flakeboard. Holz als Roh-und Werkstoff 39, 409–415 (1981). https://doi.org/10.1007/BF02608345

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  • DOI: https://doi.org/10.1007/BF02608345

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