Paper Title:
Effect of Relative Humidity on Mechanical Properties of Birch Laminated Veneer Lumber
  Abstract

Laminated Veneer Lumber (LVL) panels made from birch (Betula platyphylla Suk.) veneers were tested for physical and mechanical strength properties in this study. The static bending test were conducted on the LVL, and bending test and shear test were conducted on veneer and three-lamination LVL. The effects of the relative humidity on the modulus of elasticity (MOE) and bending strength (MOR) of birch LVL with vertical load and parallel load were investigated. There were four relative humidities including 40%, 50%, 60% and 70%. The results showed that the MOE and MOR of LVL would diminished with the increase of relative humidity, the bending strength of veneer sample decreased as the relative humidity increased, and there was noticeable effect of relative humidity on shear strength of PF resin.

  Info
Periodical
Advanced Materials Research (Volumes 129-131)
Edited by
Xie Yi and Li Mi
Pages
576-579
DOI
10.4028/www.scientific.net/AMR.129-131.576
Citation
B. Xue, Y. C. Hu, F. C. Cheng, "Effect of Relative Humidity on Mechanical Properties of Birch Laminated Veneer Lumber", Advanced Materials Research, Vols. 129-131, pp. 576-579, 2010
Online since
August 2010
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Price
$32.00
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