Journal
This paper reviews the system of clinker precrushing with impact-centrifugal mills as an alternative to roller crushers. The method of impact-centr...
| Issue №6, 2024 |
| Section: Equipment and technology |
| Keywords: centrifugal-impact grinding, Portland cement clinker, pre-crushing, particle size distribution, energy saving |
| Autor: M.S. Garkavi, A.V. Artamonov, M.A. Kozin, D.D. Khamidulina, S.A. Nekrasova, E.V. Kolodezhnaya. |
In the 2nd part of the article on the use of crushed concrete debris from obsolete buildings as aggregate in new concrete structures the issues of ...
| Issue №6, 2024 |
| Section: Waste utilization |
| Keywords: concrete, recovered concrete aggregate, durability |
| Autor: A.S. Brykov, K.O. Chugunova. |
The use of crushed concrete debris from old buildings as aggregate in new concrete structures is still very limited, despite the seemingly obvious...
| Issue №5, 2024 |
| Section: Waste utilization |
| Keywords: concrete, recovered concrete aggregate, durability |
| Autor: A.S. Brykov, K.O. Chugunova. |
The possibility of regulating the mode of motion of grinding media by means of a new classifying lining is shown. The regulation of the grinding proce...
| Issue №2 |
| Section: Equipment and technology |
| Keywords: ball drum mill, grinding bodies, lining, mill feed, fineness of grinding, segregation, sorting, energy consumption |
| Autor: V.S. Bogdanov, I.N. Sukhorukov, D.V. Bogdanov, N.P. Nesmeyanov. |
The design of a centrifugal counterflow mill with classification of material in the loading zone is discussed in the article. Separation of fine parti...
| Issue №1 |
| Section: Equipment and technology |
| Keywords: centrifugal countercurrent mill, curved blade, radial groove, rotation speed, horizontal disc, material particle |
| Autor: I.A. Semikopenko, V.P. Voronov, D.A. Belyaev. |
In 2022, impacted by multiple unexpected domestic and foreign factors such as the Covid-19 pandemic, and the overall economic operation of Chinese agg...
| Issue №6 |
| Section: Review |
| Keywords: aggregates, production, demand, price |
| Autor: China Aggregates Association. |
The article gives a review and analysis of the main regulatory documents establishing methods of determining the reactivity of aggregates for conc...
| Issue №5, 2023 |
| Section: Concrete |
| Keywords: internal deterioration of concrete, testing methods for aggregates, aggregate reacting capacity in concrete, concrete mix design, durability |
| Autor: V.R. Falikman, P.N. Sirotin. |
The article deals with the methodology of determining the power consumed by a centrifugal disk grinder for breaking particles by impact, overcoming fr...
| Issue №4, 2023 |
| Section: Equipment and technology |
| Keywords: entrifugal disc grinder, power, rotational speed, grinding chamber, impact elements, particle |
| Autor: V.S. Bogdanov, I.A. Semikopenko, D.A. Belyaev, D.V. Vavilov. |
It is shown that an increased resistance of concrete to biological corrosion can be achieved by using a high-performance complex chemical admixture co...
| Issue №4, 2023 |
| Section: Concrete |
| Keywords: biological corrosion, stability, microorganism waste products, dense structure, strong hydrated phases, chemical additive |
| Autor: V.Y. Solovieva, I.V. Stepanova, D.V. Soloviev. |
The article discusses the experience of using expanded perlite in cement composites, the degree of its influence on the properties of the concrete mix...
| Issue №4, 2023 |
| Section: Concrete |
| Keywords: lightweight aggregate, perlite, internal cure, shrinkage |
| Autor: A.M. Kharitonov,, A.S. Sidorova, D.M. Andreev. |