Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. VII
Written by Milena KUŠNEROVÁ, Zuzana PALKOVÁ, Jan VALÍČEK, Marta HARNIČÁROVÁ, Sorin IONITESCU
For passive and low energy buildings, such an external envelope, which can provide a sufficient thermal insulation function with the smallest overall wall thickness., is thermally and financially the most advantageous. Concrete can be a suitable building material. At present, non-reinforced porous concretes, light autoclaved concretes (sand and ash concretes) are used as good insulating materials. New thermal insulating concretes designed by us can be classified into this category. At the same time it is possible to prove by their previously non-tabulated heat penetration parameters that these materials are of relatively higher quality. Use of these materials brings the same effect of desired thermal insulation by only a comparatively small reduction in the concrete wall thickness. As a result, it is possible not only to achieve savings of the indoor living area, but also to declare a more favourable parameter of the building energy intensity, which is a highly reputable parameter. The solved issues are important in agriculture, especially in terms of dimensioning the purpose-built buildings, such as residential buildings, livestock buildings, silos and various buildings designed for storage. With regard to the assessment of the entire life cycle of buildings and the durability of concrete, the choice of this material is favourable both from the viewpoints of power consumption, environmental impacts and economy.
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