English
Русский 30-38 p.
Today, preference is given to composite binders. The use of dispersed mineral fillers makes it possible to realize the potential of binders to a large extent, which leads to an increase in the physico-mechanical, operational and technical properties of composite binders, as well as building materials based on them, and reduces the consumption of expensive binders. The creation of highly effective composite binders is based on the management of their production technology at all stages: the selection of raw materials, the development of optimal compositions, the use of mechanical activation of raw materials, the modification of composite binders with functional chemical additives, and some other methods. The use of volcanic ash in the world is quite diverse, it is used not only as additives for building materials, but also it has found its application in medicine. Many countries are beginning to use volcanic ash as a building material. The article presents the results of obtaining binder compositions of optimal composition based on Portland cement and volcanic ash. Experimental studies of the granulometric composition have been carried out, the results of tests of binder compositions of the compositions: cement – volcanic ash, prepared in a vibratory mill, have been presented. The results of physical and mechanical tests of binder compositions with different content of volcanic ash, activated for 10 and 20 minutes in a vibratory mill, have been obtained. Research work has been carried out to study the microstructure of volcanic ash.
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2. Bychkov M.V. Low-density self-compacting concretes with volcanic tuff. Engineering Bulletin of the Don. 2013. P. 37 – 43. (rus.)
3. Strokova V.V., Alfimova N.I., Sheichenko M.S., Navarette F.A. Veloss Prospects for the use of volcanic sand of Ecuador for the production of fine-grained concrete. Construction Materials. 2009. 2. P. 32 – 33. (rus.)
4. Navarette Veloss F.A. Prospects for the use of raw materials resources of Ecuador in the construction. Research, nanosystems and resource-saving technologies in the building industry: International scientific-practical conf., Belgorod, 18-19 Sept. 2007. Publishing house of Belgorod State Technological University. Belgorod, 2007. 1. P. 278 – 281. (rus.)
5. Zagorodniuk L.H., Lesovik VS, Shamshurov AV, Belikov D.A. Composite binders based on organic-mineral modifier for dry repair mixtures. Bulletin of BSTU named after V.G. Shukhov. 2014. 5. P. 25 – 31. (rus.)
6. Lesovik V.S., Alfimova N.I., Yakovlev E.A., Sheichenko M.S. To the problem of increasing the efficiency of composite binders. Bulletin of BSTU named after Shukhov. 2009. 1. P. 30 – 33. (rus.)
7. Lesovik V.S., Alfimova N.I., Vishnevskaya Ya.Yu. Highly efficient composite binders using nanomodificator. Bulletin of the Central Regional Branch of the Russian Academy of Architecture and Building Sciences. 2010. P. 90. (rus.).
8. Sheichenko M.S., Lesovik V.S., Alfimova N.I. Composite binders using high-magnesia waste Kovdorskoe deposit. Bulletin of BSTU named after Shukhov. 2011. 1. P. 64 – 68. (rus.)
9. Zagorodnuk L.H., ShkarinA.V., Belikov D.A., Kuprina A.A. Creating Effective Insulation Solutions, Takinginto Accountthe Law of Affinity Structuresin Construction Materials. World Applied Sciences Journal.2013. 24 (11). P. 1496 – 1502.
10. Zagorodniuk L.H., Lesovik V.S., Shamshurov A.V., Belikov D.A. Composite binders based on organic-mineral modifier for dry repair mixtures. Bulletin of BSTU named after V.G. Shukhov. 2014. 5. P. 25 – 31. (rus.)
11. Zagorodniuk L.H., Lesovik V.S., Belikov D.A. To the problem of designing dry repair mixtures taking into account the affinity structures. Bulletin of the Central Regional Branch of RAASN. Moscow, 2014. 18. P. 112 – 119. (rus.)
12. Zagorodniuk L.H., Lesovik V.S., Gaynutdinov R. Specifics of hardening of mortars based on dry mixtures. Bulletin of the Central Regional Branch of the RAASN. 2014. P. 93 – 98. (rus.)
Makhortov D.S., Zagorodnyuk L.H., Sumskoy D.A. Binder compositions based on Portland cement and volcanic ash. Construction Materials and Products. 2022. 5 (4). P. 30 – 38. https://doi.org/10.58224/2618-7183-2022-5-4-30-38