Abstract
The article proposes to analyze the rheological state of fiberglass concrete using multi-level modification of the composite structure with different-scale reinforcing elements at several structural levels - additives in combination with glass fibers. It is shown that such a concept develops quite dynamically - with each subsequent stage certain shortcomings are revealed and certain changes in its interpretation and implementation measures are proposed. There are some differences in the interpretation of this goal and the proposed approaches to its achievement at different levels. The change in the mass of the samples with the time of hardening in air-dry conditions is shown. The value of the change in the water content of Portland cement systems in air-dry conditions of hydration is correlated with the change in the shrinkage deformations of the samples. The results of the tests showed that intensive loss of mass of samples in air-dry conditions is observed during 7 days of hydration. The need to use metakaolin, a hyperplasticizer based on polyacrylic and glass fiber for multi-level reinforcement of the cement matrix of facade siding in order to ensure increased operational characteristics is asserted.
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