Assessment of thermal characteristics of building materials made from non-commercial wood

Petrozavodsk State University, Lenin Str., 33 185910, Petrozavodsk, Republic of Karelia, Russia

^* Corresponding author: alvas@psu.karelia.ru

Abstract

Currently, the forest industry of the Russian Federation is experiencing difficulties with the sale of hardwood pulpwood, which necessitates the search for new technical and technological solutions for its use. The paper describes the design of wooden bricks made from hardwood. Wooden brick is made by gluing lamellas, oriented in a certain way, together into wood panels, followed by gluing the panels together through a layer of veneer. The slats and veneer are made from hardwood. The bricks have a trapezoidal shape with tenons and mortices for ease of connection when installing wall structures. The authors made an assessment of the thermal characteristics of wall structures assembled from these bricks. The calculation was performed using the example of four cities in the European part of Russia, which differ noticeably in climatic conditions. The calculation showed that for all considered climatic conditions this material is suitable for the construction of walls of buildings and structures of a lower importance class with limited service life and the presence of people in them, where there are premises with dry or normal operating mode, ensuring the level of resource saving required by construction regulations without additional insulation. In more difficult climatic operating conditions, additional insulation of facades will be required to ensure the required level of resource saving.