DEVELOPMENT OF COMPOSITIONS AND ANALYSIS OF PROPERTIES OF FINE-GRAINED CONCRETE AND FIBROBETONS
Rakhimov Shavkat TurdimurotovichDoctor of philosophy (PhD) on technical Sciences, Associate Professor of the Department "Technology of building materials, products and structures" Tashkent Institute of Architecture and Civil Engineering, UzbekistanObidjonov Jahongir Tokhir ogliPhD student of the Department "Technology of building materials, Products and structures" Tashkent Institute of Architecture and Civil Engineering, UzbekistanBabakulova Nilufar BahramjanovnaSenior Lecturer of the Department "Technology of building materials, products and structures" Tashkent Institute of Architecture and Civil Engineering, Uzbekistan
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Abstract
The article presents the compositions and physical and mechanical properties of fine-grained concrete based on industrial waste and a chemical additive. To reduce cement consumption, chemical additives, effective compaction of sand concrete mixtures and coarse sands with optimal grain composition should be used. In cement-sand mixtures with a high content of cement, it is useful to use plasticizers, superplasticizers and organomineral additives. The results of bending strength with the introduction of basalt fiber are higher than with the introduction of polypropylene.
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