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This paper presents linking computational research of the multilayer structure of the cladding of a three-layer panel made of highly porous polystyrene concrete developed using a new technology in comparison with traditional ones. The calculation of the thermal efficiency of the exterior fence was carried out in three stages, where the thermal regime was calculated from the values of temperature fields in the ELCUT 6.6 system, and the humidity and air modes were determined by the analytical method in the Maple system. The territory of central Kazakhstan (Karaganda) was selected as the research region, where the research showed that equating the thickness by the values of the actual and required heat transfer resistances of traditional multilayer structures to the developed one, the thickness of traditional structures increases from 3.09% to 27.83%. Moisture accumulation relative to the developed one occurs in all the studied structures. Thus, if in some cases of traditional structures moisture is collected by 2.61% and 9.48% less, in others moisture is collected by 27.94% and 119% more. However, the value of evaporated moisture during the drying period showed that all the moisture will evaporate during the specified period. Thus, all the structures meet the conditions for the inadmissibility of moisture for the annual period and the period of moisture accumulation. Moreover, the values of the actual and required permeabilities to air satisfy the condition, which affected the values of the temperature fields taking into account air filtration; the developed structure showed a positive effect for this value, and in traditional structures, the value of τ i n t decreased to 1.35 °C depending on the option. The analytical results of the thermal inertia values of the developed and traditional multilayer structures showed that the developed structure exceeds traditional ones by up to 30.04% depending on the option, which is positive in the cold period. It was also found that the market prices of all traditional structures exceed the developed one by 1.2–2.5 times, depending on the design, which also emphasizes the positive aspects of the new design. Thus, the findings of this research will positively complement the catalog of products of external multilayer cladding structures made of effective materials and can be used by research communities and design organizations in the design of residential buildings. [ABSTRACT FROM AUTHOR]

With the development of industry, the amount of man-made waste is growing rapidly. It is necessary to develop energy-efficient resource-saving technologies for use in the processing of. Research in past years has proved the possibility of using coal industry wastes as burning and baking additives in the production of ceramic products. The purpose of this work is to review the properties and discuss the options for using overburden as the main raw material in the production of ceramic bricks. Overburden requires a small amount of organic and chemical additives to adjust its technological properties. This research is due to the need to solve environmental, economic and technological problems in the utilization of overburdened rocks from coal mining. The physical and mechanical properties as well as chemical and mineralogical compositions of overburden have been investigated. Due to the heterogeneity and non-wettability of raw materials in water, it is necessary to grind them. The structural-mechanical characteristics and molding properties using highly mineralized carbonaceous rocks as a solid additive and aluminum oxychloride as a liquid additive have been studied. The obtained products with the use of additives have higher indicators: compressive strength 33.6-48.2 MPa, frost resistance 50-100 cycles, and water absorption 7.0-10.8. Thus, the results of the research prove the possibility of producing high-quality ceramic bricks from overburden, which will help to significantly reduce the cost of production, compensate for the lack of high-grade clay raw materials, and improve the environmental situation. Nevertheless, further research and technological developments are needed. [ABSTRACT FROM AUTHOR]