ENERGY SAVING ASPECTS IN PRODUCTION AND USE OF LOW-DENSITY AERATED CONCRETE

Abstract

The article provides an analysis of the regulatory requirements regarding the thermal resistance of the walls of modern buildings. Comparison ofregulatory requirements close to Ukraine in terms of climatic conditions in the Baltic States and Finland indicates a significant lag in the indicators of Ukrainianstandards.Based on the analysis of the structure of wall materials produced in Ukraine, a decrease in the volume of production of ceramic building bricks, expanded clay,which have lost their positions in the construction market due to the high-energy intensity of production and low thermo physical properties at the operationstage, and were displaced with autoclaved aerated concrete, is shown.The trends in the production of autoclaved aerated concrete in Ukraine are shown. The high level of technology for the production of domestic aerated concreteis confirmed by the quality of the products of "Aeroc" company, which occupies the key indicators for the production of autoclaved aerated concrete of lowdensity and high strength. On the territory of the post-Soviet countries the company was the first to start mass production of heat-insulating aerated concreteof the D150 brand, which has no analogues in the CIS, and aerated concrete of the D300 brand with a compressive strength class of C2.0. The structure of theproduction of aerated concrete by density of "Aeroc" company and the main directions of reducing the consumption of cement in the production of aeratedconcrete using granulated blast furnace slag and natural gypsum stone are shown. The dependence of the increase in cement consumption depending on thedecrease in the density of aerated concrete is given.The features of improving the quality of autoclaved aerated concrete on the example of the products of the company "Aeroс" are revealed and ways to increasethe carbonization resistance of autoclaved aerated concrete due to low density and high vapor permeability are shown