Journal
The «acceleration by retardation» concept is to make an admixture composition that will accelerate the setting of Portland cement by retarding two oth...
| Issue №5, 2012 |
| Section: Science and production |
| Keywords: acceleration, expansion, flash set, gypsum, isothermal calorimetry, retardation |
| Autor: H. Justnes. |
Composite cements consisting of CEM I Portland cement and 30 % replacement by mixtures of calcined clays and limestone have been studied. The calc...
| Issue №5, 2012 |
| Section: Science and production |
| Keywords: composite cement, calcined clay, limestone, CO2 reduction |
| Autor: M. Steenberg, D. Herfort, S.L. Poulsen, J. Skibsted, J.S. Damtoft. |
The processes that take place during the heat treatment of secondary kaolins from three deposits were examined. It is shown that the temperature requi...
| Issue №5, 2012 |
| Section: Science and production |
| Keywords: kaolin, kaolinite, metakaolin |
| Autor: E.S. Mikhailyuta, E.V. Alekseev, V.V. Koleda, T.A. Shevchenko. |
The paper deals with issues of suction in closed cycle cement ball mills, and its effect on the kinetics of the process of grinding. A computational m...
| Issue №5, 2012 |
| Section: Science and production |
| Keywords: aspirational mode, ball mills, closed circuit, disperse composition |
| Autor: V.S. Bogdanov, R.R. Sharapov, O.I. Bazhanova, R.R. Sharapov Jr.. |
The results of the study of structural and rheological properties of suspensions prepared from monomineral clayey and carbonate raw materials, forming...
| Issue №5, 2012 |
| Section: Science and production |
| Keywords: rheological properties, softener, mineral, raw mix |
| Autor: O.A. Panova, I.A. Ivleva, P.V. Besedin. |
Particle size of cement powder is a key factor that affects the properties of cement. In this paper chemical and mineral compositions of narrow partic...
| Issue №5, 2012 |
| Section: Science and production |
| Keywords: narrow particle size fractions, mineral compositions, specific surface area |
| Autor: Xu Lingling, Wang Yang, Liu Mingdi, Ye Xuechu. |
Using thermogravimetric analysis and IR transmission spectroscopy the influence of highly disperse amorphous aluminium hydroxide on the hydration of P...
| Issue №5, 2012 |
| Section: Science and production |
| Keywords: Portland cement, hydration, aluminum hydroxides |
| Autor: A.S. Brykov, A.S. Vassiliev, V.A. Kuzmin. |
The education of qualified personnel is a permanent challenge among the cement manufacturers. The need to reduce production costs and at the same time...
| Issue №5, 2012 |
| Section: Science and production |
| Keywords: education, personnel, cement production |
| Autor: M. Schneider. |
Physical and chemical studies of the effect of iron oxides on the hydrolytic stability of clinker minerals and cement and the concrete obtained from t...
| Issue №6, 2012 |
| Section: Science and production |
| Keywords: clinker, cement, alternative fuels, car tire, metal cord, ferroferric compounds, concrete panel, wallpaper |
| Autor: M.I. Kuzmenkov, O.E. Khotyanovich, R.Y. Melnikova, A.V. Sushkevich. |
Water physical properties of chalk suspensions depending on the microstructural characteristics of the rock and the presence of thinners at OOO Polypl...
| Issue №6, 2012 |
| Section: Science and production |
| Keywords: chalk, microstructure, hydrophysical properties, chalk slurry, reagent for increasing fluidity |
| Autor: L.D. Shakhova, S.V. Markova, K.G. Zemlyanoy, L.I. Yashurkaeva, S.N. Bogomazov. |