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INFLUENCE OF TEMPERATURE, HUMIDITY AND ULTRAVIOLET IRRADIATION ON DURABILITY AND DURABILITY OF MODIFIED WOOD

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Author(s): V. P. Yartsev | O. A. Kiselyova

Journal: Scientific Herald of the Voronezh State University of Architecture and Civil Engineering
ISSN 2075-0811

Volume: 9;
Issue: 1;
Start page: 4;
Date: 2011;
Original page

Keywords: modified wood | humidity | ultraviolet irradiation | factor of linear thermal expansion | wood durability | wood strength

ABSTRACT
Problem statement. A technological mode of wood modification with the use of various sub-stances (kerosene, paraffin, Emukril M, emulsion 252) is described. The influence of type of mod-ifier on mechanical and hydrophysical properties of wood is discussed.Results and conclusions. The effect of elevated temperature on expansion and compression of modified wood is investigated, and the values of coefficients of linear thermal expansion are de-termined. The analysis of the results of the influence of climatic factors (water and UV radiation, repeated freezing/thawing) on properties of modified wood is performed. The durability of mod-ified wood is studied.
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