Performance properties of heat treated and reinforced laminated veneer lumber with glass fiber
Abstract
In this study, some technological properties of test samples manufactured from heat-treated scotch pine (Pinus sylvestris L.) wood were analyzed. For this aim, experimental specimens were manufactured from heat-treated material at temperatures of 140 °C, 160 °C, 180 °C and 200 °C for 3 hours. Three different experimental groups were prepared from the sapwood of the log. The first group was massive wood (wood), the second group was laminated veneer lumber (LVL), and the third group was reinforced laminated veneer lumber (RLVL) using glass fiber fabric. One-component polyurethane based adhesive was used as a binder in this study. Air-dry density, equilibrium moisture content (EMC), and compressive strength parallel to the grain were determined to analyze the effects of the reinforcement on the LVL composite. Test results showed that reinforced heat-treated LVL samples with glass fibers increased both air dry density and compressive strength parallel to the grain. On the other hand, the EMC values of the test samples decreased with increasing heat treatment temperature and reinforcement process. Improving the some physical and mechanical properties of heat-treated wood material can contribute to the widespread use in buildings.
Reference
Osman Perçin. (2025). Performance properties of heat treated and reinforced laminated veneer lumber with glass fiber. Mobilya ve Ahşap Malzeme Araştırmaları Dergisi. https://doi.org/10.33725/mamad.1699980
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