RESEARCH OF THE INFLUENCE OF STEEL HEAT-CONDUCTING INCLUSIONS ON THERMAL PROPERTIES OF THE FRONTING STRUCTURE FROM WOOD-CEMENT COMPOSITE
Abstract
Improving the energy-saving qualities of housing and communal construction projects is an important task facing the developers of promising construction materials, designers, builders and operators of these facilities. This task is especially relevant for individual low-rise construction using relatively inexpensive building materials from local raw materials. Wood-cement composites make it possible not only to erect enclosing structures with high thermal performance, but also to efficiently dispose of wood waste from sawmilling and woodworking. Accordingly, the problem of environmentally friendly integrated use of wood raw materials is being solved. In the course of the research, the influence of heat-conducting inclusions in the form of steel fasteners on the indicators of the thermal efficiency of enclosing structures made of wood-cement composite (arbolite and sawdust concrete) was determined. The work was based on the use of physical modeling methods (finite element method) implemented in the Elcut software package. The influence of heat-conducting inclusions in the form of metal fasteners on the heat losses of the enclosing structure made of wood-cement composite is very significant and reaches 43...58 % of the value of the heat losses of the structure without heat-conducting inclusions. Metal fasteners, having a temperature below the dew point temperature, are intensively moistened, corroded and contribute to moistening of structural elements in contact with them, which creates the prerequisites for the development of mold and fungi. The results obtained can be used in the design and operation of building structures made of wood-cement composites
About the Authors
S. N. Dolmatov
Reshetnev Siberian State University of Science and Technology
Russian Federation
Russian Federation
31, Krasnoyarskii rabochii prospekt, Krasnoyarsk, 660037
P. G. Kolesnikov
Reshetnev Siberian State University of Science and Technology
Russian Federation
Russian Federation
31, Krasnoyarskii rabochii prospekt, Krasnoyarsk, 660037
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Review
For citations:
Dolmatov S.N., Kolesnikov P.G. RESEARCH OF THE INFLUENCE OF STEEL HEAT-CONDUCTING INCLUSIONS ON THERMAL PROPERTIES OF THE FRONTING STRUCTURE FROM WOOD-CEMENT COMPOSITE. Conifers of the boreal area. 2022;40(1):76-83. (In Russ.)
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