Vladimir, Vladimir, Russian Federation
employee
Vladimir, Vladimir, Russian Federation
employee
Vladimir, Vladimir, Russian Federation
employee
Vladimir, Vladimir, Russian Federation
UDK 630 Лесное хозяйство. Лесоводство
Caring for natural resources is one of the most important components of the sustainable development of the national economy of the Russian Federation. This is facilitated by the use of low-grade wood, including fire-damaged wood, as a structural material, which will reduce the cost of producing laminated wood structures (GWB) through the use of cheaper raw materials. Based on a systematic analysis of sources and our own empirical research, the features of a new technology for manufacturing laminated wood beams with a span of 6.0 m using wood damaged by fire from a forest fire are presented. This study is aimed at reducing the material intensity of laminated timber structures through the partial use of low-grade wood without reducing the load-bearing capacity of the beams. It was found that when replacing 36% of the middle lamellas in the cross-section with thermally damaged wood, the reduction in the load-bearing capacity of the beam structure relative to a beam made entirely of grade I wood was 9.7%, and when replacing 62% of the wood – 16.06%. The use of thermally damaged wood in the manufacture of laminated wood structures will significantly reduce the use of high-grade lumber with some changes in the technological process that do not lead to an increase in its cost. Using the positive experience of testing beam FDCs, it is planned to further study the use of thermally damaged wood in compression-bending structures.
fire impact of wood, wooden beams, forest fires, composite beam, technology, rational use, adhesive wooden structures
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