Abstract

Methods of increasing the activity of mineral additives from technogenic raw materials: burnt mine rocks and fly ash are considered. The kinetics of hardening of binder compositions with the addition of fly ash has been studied. By the method of microscopic analysis, the state of the microstructure of binder compositions with burnt rock was investigated at different times of hardening. The mechanism of formation of the structure of binder compositions containing additives from technogenic raw materials is described.

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