Numerical study of glued laminated timber beam made from raw wood after forest fire

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Abstract

Forest fires cause enormous damage to the country’s economy. Burnt trees are subject to sanitary felling. However, many trees exposed to fire remain viable for several years. The article considers and scientifically substantiates the proposal for the use of such trees in wood-composite beam structures. A mathematical model has been developed for such wood constructions. There was conducted a numerical study of a wood-composite beam structure made of sawn timber from raw wood exposed to forest fire. As the study results show, the maximum normal stresses in the tensile zone of the beam are the limitation of the bearing capacity.

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