Abstract. The bases of silicate materials' manufacture of non-autoclave hardening are developed. The realisation opportunity of technological decision complex of using of mineral substances' structure in silicate materials' manufacture of non-autoclave hardening and wall's products on their basis is theoretically proved and practically confirmed. The complex activation of mixture with water materials, as slip, defined the transition from autoclave treatment to thermo-moisture one of silicate materials. The possibility of the practical realization of structure mineral substances' reserve for the energy consumption of silicate material production are proved experimentally. The optimization of the composition and the hardening conditions in the conditions of thermo-moisture treatment on the basis of experimentally-statistical modelling ensured the receipt of materials with the required properties. The analysis connection between hardening conditions and contents has been fulfilled on experimentalstatistic models. The changing of silicate materials' properties under the influence of inorganic modifier' surface, of hardening conditions and content of gypsum addition have been estimated. Correlation analysis allows to receive new information about the influence of the contents and the hardening conditions on a degree of interrelation between the structure and the properties of building materials. Optimal compositions and the regimes of hardening are recommended for the receipt of wall's articles of a different purpose.
The modern nanotechnology techniques allow receiving advanced composites of silicate matrix of thermal-moisture hardening the low-power technology today. A distinctive feature of geopolymer aerated composites is that their properties according to the basic physical and mechanical parameters exceed of the properties of the silicate matrix. Due to the implementation of a complex activation of highly mobile silicate concrete mixture, that is one of the technological features to obtain this type of composites, energy-saving modes of preparation were provided. The composites and products based on them are characterized by low density at high values of strength, water and crack resistance and heat capacity. The technological features of obtaining effective aerated composites on silica matrix of thermal-moisture hardening set out. The comparative analysis of the influence of the tripoli specific surface to the structuring of silicate matrix properties and porous composites modified of alkali containing additives were carried out. Based on this analysis the mechanism of formation of silicate matrix structure and properties was grounded and proposed. It is shown that the tripoli particles promoted “physical” seal structure of silicate matrix and the formation of capillaries’ discontinuous structure, by means of their own micro-porosity.
This paper presents the results of a study of the compressive strength of concrete in a cyclic solar chamber. The analysis of the existing types of industrial solar chambers is carried out and the main structural elements are considered. The method of calculating the solar chamber for the production of concrete products is presented. Experiments were carried out on heavy concrete compositions using MC-Bauchemie superplasticizers additives: MC-PowerFlow 3100 and MC-PowerFlow 2695. The samples were kept in a cyclical solar chamber. The strength of concrete was determined at different periods of concrete hardening. A comparative analysis of the results of the compressive strength of concrete in a solar and normal hardening chamber is carried out.
The results of research of speed of set of durability of fine-grained concrete are in-process presented on a compression which hardened in solar chamber of cyclic action. The analysis of existent types of industrial solar chambers is conducted and basic structural elements are considered. Resulted calculation of thermal balance of solar chambers. Experiments are conducted on compositions of fine-grained concrete on cement astringent with the use of additions of superplasticizers of firm MC - Bauchemie: MC - PowerFlow 3100 and MC - PowerFlow 2695. After self-control in solar chamber of cyclic action durability was determined determined at the different terms of hardening. The comparative analysis of results of durability is conducted on the compression of concrete in solar chamber and chamber of the normal hardening.
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