INCREASING THE EFFICIENCY OF THE USE OF GRANITE ASPIRATION DUST IN DRY CONSTRUCTION REPAIR MIXTURES

Abstract

The influence of mineral additives on the properties of dry building repair mixtures was investigated. It was experimentally proven that when granite aspiration dust as a structural-reinforcing additive and active mineral additives such as metakaolin and microsilica are introduced into the repair mixture, there is an improvement in adhesive properties and capillary water absorption in combination with stable structure formation due to reduced delamination. Metakaolin and microsilica are well-studied and researched additives, as well as available in the market for their use.The results of the study confirm the significance and prospects of the directions of using technogenic waste and improving the basic properties of building mixtures. It is also important to understand that both microsilica and metakaolin are the most effective mineral additives that allow for high-strength compositions to be obtained when used. However, there are not many studies specifically on the content of these active mineral additives in dry building mix compositions. Therefore, the results of the study also reflect the novelty of experimental research.