Journal
In order to reduce the carbon factor a lot of mineral additives are used in cements, which often leads to a sharp fall in its strength. Active (gr...
| Issue №2, 2022 |
| Section: Waste utilization |
| Keywords: crystallized steel slag, mineral additives, carbon factor, strength of cements |
| Autor: S.P. Sivkov, E.V. Turusheva, S.V. Moshkovskaya, A.P. Krylov. |
Methods of laboratory testing of materials at cement plants and equipment from the leading manufacturers, offered by OOO Melitek, are described. Among...
| Issue №1, 2022 |
| Section: Control of production |
| Keywords: X‑ray fluorescence analysis, sample preparation, strength test, calorimetric measurements |
| Autor: O.N. Zobnina, M.F. Akhmetov. |
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. |
The paper is devoted to the problems arising during the certification of the standard multifractional sand for cement tests in connection with the new...
| Issue №6, 2021 |
| Section: Standartization and quality |
| Keywords: cement testing sand, Portland cement, compressive strength |
| Autor: F.L. Kapustin, A.B. Gonta, I.S. Egorov. |
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. |
Presently there are more and more construction projects that require reinforcement. To ensure the quality of supplied concrete the Gvozdev Research I...
| Issue №1, 2021 |
| Section: Standartization and quality |
| Keywords: incoming control system at the construction site, contract for the supply of concrete, control post, on-site laboratory, invited laboratory, stripping strength, design strength |
| Autor: S. A. Podmazova, B.S. Sokolov, M.V. Glushkova, N.S. Dmitriev. |
The effectiveness of using ground granulated blast furnace slag (GGBS) to replace 40 % cement in the composition of pavement concrete is s...
| Issue №2, 2020 |
| Section: Concrete |
| Keywords: ground granulated blast furnace slag (GGBFS), concrete, road surface, strength, resistance to cracking, frost resistance, water resistance, chemical resistance, hardness, abrasion |
| Autor: R.R. Adigamov, E.V. Mityukova, V.Y. Solovieva, S.O. Gunin. |
Wall materials of stable quality are required for the construction of facilities in the Arctic zone of Russia. Portland cement-based foam concretes pr...
| Issue №2, 2020 |
| Section: Concrete |
| Keywords: foam concrete, Portland cement clinker, active mineral additives, cement with mineral additives, quartz-feldspar sand, zeolite, foam concrete mixture, monodisperse pore distribution, density, strength, freeze-thaw resistance, thermal conductivity |
| Autor: A.Y. Mestnikov, A.I. Kudyakov, V.N. Rozhin. |
World-wide granulated blast furnace slag (GBS) is used for cement and concrete production. About 280 Mt are produced yearly. Thus, regarding a...
| Issue №6, 2019 |
| Section: Science and production |
| Keywords: granulated blast furnace slag, secondary cementitious material, cement, glass, fictive temperature, enthalpy, heat of hydration, strength development |
| Autor: A. Ehrenberg, J. Deubener, H. Bornhoeft, N.R. Sarcos, D. Hart. |
As the results of compressive strength tests of cement show, when rapid testing is used, the instruments must be calibrated against the data obtained ...
| Issue №5, 2019 |
| Section: Control of production |
| Keywords: cement, testing, strength, express-method, neuron net, prediction |
| Autor: D.M. Glikin, R.A. Stikharev. |