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-Multifunctional studies have already proved the efficacy of nanotechnological solutions to be applied in the civil engineering. This is largely due to the tendency in the product quality increase in terms of the basic exploitation characteristics, as well as, the formation of end-products unique properties. The goal of this study is to examine the modification process occurring in portland cement impacted by a nanostructured binder of silicate composition and to identify the optimal amount of a modifying supplement aimed at improving the physico-mechanical properties of the binder and its further application as the main component in cellular-cement composites production. The paper introduces the results of the experimental studies:rheotechnological, physico-mechanical properties of modified binder compositions, kinetics of durability set, and sample drying. The change of rheotechnological and physico-mechanical properties of the system, when the composition is modified, was justified. However, taking into account the necessary characteristics, the modified binder can be used to gain multi-purposed construction composites such as dense (fine-grained concrete for piece wall products) and cellular (different brands of foam concrete). Due to the collected data, the optimal composition with high durability indexes was chosen.

Presented article is of interest to specialists in the field of building materials. The provided information describes nanostructured binders (NB) that are promising in the production of building materials for various purposes. As a result of conducted researches the character of hardening kinetics of NB with different composition was identified, which is similar to the classic representative of binding system – Portland cement. The importance of keeping the technological and temporal parameters of NB receipt by comparing it with a quartz suspension was substantiated. Also a system for monitoring the grinding process allowing to control and manage the technology was provided.

Nanostructured binder (NB) based on silicate and alumosilicate raw materials is prospective type of binders that can be applied for production of construction composites with different purpose. Production technology of nanostructured binder is characterized by using of natural raw materials only (independently of its genesis) as well as zero of chemically aggressive additives, that indicates on environmental friendliness and health safety of NB. Indicator of ecological safety of NB can be toxic effect on life activity of crop plants (phyto-effect) determined with phytoanalysis. In this paper it is determined NB to be characterized by low toxicity, so we can say about its environmental friendliness and health safety.

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