Journal
The paper offers a theoretical substantiation of the mechanism of action of additives during cement grinding caused by the removal of surface electros...
| Issue №1, 2023 |
| Section: Science and production |
| Keywords: grinding intensifiers, surface electrostatic charges, mechanism of action, dielectric resistance |
| Autor: L.D. Shakhova, R.A. Kotlyarov, E.S. Chernositova. |
The paper presents the results of the research in obtaining a colloidal additive on the basis of aluminosilicate minerals for cement modification. It ...
| Issue №5, 2022 |
| Section: Science and production |
| Keywords: Portland cement, synnyrites, colloid additive, modifier, sol-gel technology, modification of cement stone |
| Autor: L.A. Urkhanova, E.V. Dorzhieva, E.V. Gonchikova, A.B. Tsydenova. |
The paper presents the results of a study of the properties of cement composites modified with ultradispersed additives based on carbon black and chry...
| Issue №5, 2022 |
| Section: Science and production |
| Keywords: percolation, electrical resistance, cement-based composites, carbon black, chrysotile asbestos |
| Autor: G.I. Yakovlev, I.S. Polyanskikh, I.A. Pudov, Z.S. Saidova, E.V. Begunova. |
The article deals with the problems of bleeding at different scale levels. It is noted that the problems of bleeding in concrete and mortar mixtures a...
| Issue №5, 2022 |
| Section: Science and production |
| Keywords: bleeding, aggregative instability, colloidal forces, electrokinetic potential, hydration, cement phases, ettringite |
| Autor: L. D. Shakhova, V.M. Konovalov. |
The paper presents the results of studies of the use of colloidal additive produced by hydrolysis of Portland cement to modify the cement matrix. The ...
| Issue №4, 2022 |
| Section: Science and production |
| Keywords: Portland cement, ultrafine additive, hydrolysis, differential thermal analysis |
| Autor: L.A. Urkhanova, S.A. Lkhasaranov, D.V. Danzanov, V.R. Makarov. |
The examined fine mineral additives introduced into Portland cement increase the strength of cement both during its hardening in standard conditions a...
| Issue №3, 2022 |
| Section: Science and production |
| Keywords: Portland cement, strength, finely dispersed mineral additive, diopside, limestone, combined additive |
| Autor: L.V. Ilyina, N.O. Gichko, A.K. Tulyaganov. |
The purpose of the research was to determine the effect of limestone as a mineral additive in cement on frost resistance of hardened cement. The struc...
| Issue №2, 2022 |
| Section: Science and production |
| Keywords: clinker factor, limestone blended cement, frost resistance, durability, chlorides |
| Autor: I.V. Korchunov, E.N. Potapova, S.P. Sivkov, E.A. Voloshin, .A. Lukoshkin. |
The present work is devoted to the influence of a new way of input of mineralizer 2C2S - CaF2 on whiteness of cement at different concentrations of ir...
| Issue №1, 2022 |
| Section: Science and production |
| Keywords: separate input, clinker whiteness, mineralizer, fluorspar, CaF2, Na2O |
| Autor: D.A. Mishin, S.V. Kovalev. |
The structural and rheological properties of cement powder significantly affect the duration of work and labor costs in the course of transportation a...
| Issue №1, 2022 |
| Section: Science and production |
| Keywords: cement, cement flour fluidity, correlational regression analysis, grinding intensifier |
| Autor: L.D. Shakhova, Ye.S. Chernositova, L.S. Schelokova, N.G. Ukhaneva. |
High calcium fly ash generated at pulverized solid fuel combustion at thermal power plants in combination with sodium carbonate is an effective dry ac...
| Issue №1, 2022 |
| Section: Science and production |
| Keywords: granulated blast-furnace slag, blast-furnace slag activation, high-calcium fly-ash, sodium carbonate |
| Autor: A.S. Brykov, M.E. Voronkov. |