Journal
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. |
The article deals with the mechanism of preventing salt corrosion of masonry by using sanitizing plasters. The results of the research of the influenc...
| Issue №1, 2022 |
| Section: Science and production |
| Keywords: salt corrosion of brickwork, sanitizing plaster, capillary suction, porous aggregates |
| Autor: A.M. Kharitonov, M.V. Stupak, T.A. Ivanova. |
The aim of this study is to find relation between cement properties and tendency of cement paste (concrete) to bleeding. We tested 19 cement s...
| Issue №1, 2022 |
| Section: Science and production |
| Keywords: bleeding, specific surface, strength |
| Autor: D. Jancarikova, R. Hela, D. Netsvet, T. Perina. |
Cement paste is a concentrated polydisperse suspension of cement grains in water. The presence of particles with the size less than 5-10 microns (...
| Issue №6, 2021 |
| Section: Science and production |
| Keywords: bleeding, yield stress, cement paste |
| Autor: A.S. Brykov. |
Lime plaster and masonry dry mixtures are widely used to restore architectural monuments. The use of air-hardening lime as a binder is necessary not o...
| Issue №5, 2021 |
| Section: Science and production |
| Keywords: lime, dry mortar, acceleration of setting |
| Autor: S.A. Cherevko, A.M. Kharitonov, Y.V. Pukharenko, Y.P. Panibratov, T.M. Petrova. |
In the production of Portland cement clinker the raw mix always contains sodium and potassium oxides, which can accumulate in the calcined material be...
| Issue №4, 2021 |
| Section: Science and production |
| Keywords: Portland cement clinker minerals, alite, belite, Portland cement clinker, sodium oxide, potassium oxide, grindability, microhardness, compressive strength |
| Autor: D.A. Mishin, A.O. Erygina. |