Abstract
Objectives. The aim of the work is to demonstrate the fundamental difference between fibre-reinforced foam concrete and traditionally-used wall materials in terms of tensile strength.Method. An analysis of the effectiveness of heat-insulating and structural fibre-reinforced concrete in terms of their mechanical and physical properties, including frost resistance, is carried out.Results. The characteristics of the most important operational properties of fibre-reinforced foam concrete for insulating and structural purposes are given. The possibility of expanding the range of prefabricated products in connection with the level of tensile strength of fibre-reinforced foam concrete under bending is substantiated. Empirical data concerning the practical use of original products from fibrereinforced foam concrete in the construction of residential and public buildings in Rostov-on-Don is presented.Conclusion. It is shown that, in order to increase the heat transfer resistance of building envelopes, the use of fibre-reinforced foam concrete in the rehabilitation of existing buildings can ensure their high fire safety subject to the required sanitary and hygienic conditions. Fibre-reinforced foam concrete, being a gas-filled concrete of non-autoclave hardening, allows new design solutions to be offered for heat-insulating and structural purposes in the construction complex of the Russian Federation, which practical application expands the range of factory-made products, reduces energy consumption and contributes to the diversity of the architectural appearance of buildings.
Highlights
Анализ публикаций посвященных этой проблеме [1,2,3] показывает, что специалисты, принимающие ответственные решения, влияющие на эффективность развития строительного комплекса в течение многих лет, не всегда учитывают те многочисленные факторы, которые при эксплуатации строительных объектов вместо ожидаемой пользы приносят вред [4,5,6,7]
The aim of the work is to demonstrate the fundamental difference between fibre-reinforced foam concrete
Empirical data concerning the practical use of original products from fibrereinforced foam concrete
Summary
Анализ публикаций посвященных этой проблеме [1,2,3] показывает, что специалисты, принимающие ответственные решения, влияющие на эффективность развития строительного комплекса в течение многих лет, не всегда учитывают те многочисленные факторы, которые при эксплуатации строительных объектов вместо ожидаемой пользы приносят вред [4,5,6,7]. Свойства фибропенобетона - неавтоклавного газонаполненного бетона, предназначенного для устройства теплоизоляции и стен зданий, приведены в табл.1. Для анализа эффективности применения стеновых материалов важно учитывать, что по данным [10] плотность кладки из эффективного кирпича составляет 1500...1800 кг/м3 при теплопроводности 0,61...0,64 Вт/м·К, паропроницаемости 0,11...0,12 мг/м2·ч, морозостойкости не более F50 и прочности на растяжение при изгибе не более 3 МПа.
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