Journal
The effect of ammonium bifluoride additive on the chemical reactivity of raw cement mixes was examined. It was found that the induction of 0.3-0.7%...
| Issue №5, 2014 |
| Section: Science and production |
| Keywords: reactionary ability, raw mix, ammonium bifluoride, burning, clinker, mineralogical composition, free calcium oxide |
| Autor: Yu.G. Kozlovsky, V.A. Lotov, Ye.A. Sudarev. |
The kinetics of the cement hydration depending on the used filler has been investigated as well as the properties of obtained cement stone. The additi...
| Issue №5, 2014 |
| Section: Science and production |
| Keywords: cement, hydration, quarz, slag, limestone |
| Autor: M. Zajac, M. Ben Haha. |
Influence of C-S-H-nuclei on Portland cement hydration rate has been investigated. C-S-H-seeds were prepared by mechanochemical synthesis and by sol-g...
| Issue №5, 2014 |
| Section: Science and production |
| Keywords: cement paste, hydration, C—S—H-seeds |
| Autor: G. Land, D. Stephan. |
The macrolevel properties of concrete; strength and durability are dependent on the hydration of cement. The main products of the chemical reactions o...
| Issue №4, 2014 |
| Section: Science and production |
| Keywords: blended cements, nanosilica, cement hydration |
| Autor: S. Papatzani, K. Paine, J. Calabria-Holley. |
The article presents the results of thermogravimetric analysis of raw mixtures when heated up to 1450°C in the presence of plasticizers (lignin-al...
| Issue №4, 2014 |
| Section: Science and production |
| Keywords: clinker burning, thermogravimetric analysis, raw cement mix, plasticizer |
| Autor: P.V. Besedin, O.A. Panova. |
The paper discusses the results of the study of the composition of Portland cement hydration products containing mineral supplements, made using diffe...
| Issue №4, 2014 |
| Section: Science and production |
| Keywords: composite Portland cement, carbonates, hydration |
| Autor: V.K. Kozlova, A.M. Manokha, V.P. Skakun, E.Y. Malova, E.V. Bozhok. |
The influence of the composition of a geopolymer binder based on some igneous rocks and of the curing conditions on its properties was examined. Addit...
| Issue №4, 2014 |
| Section: Science and production |
| Keywords: binding materials, geopolymers, alkali activation, blast furnace slag, concrete |
| Autor: N.A. Eroshkina, M.O. Korovkin. |
Metakaolin is used in this study as a model compound for calcined clays, which are promising supplementary cementitious materials for future cements. ...
| Issue №3, 2015 |
| Section: Science and production |
| Keywords: thermodynamic modeling, metakaolin, limestone, white Portland cement |
| Autor: W. Kunther, Z. Dai, J. Skibsted. |
It is shown in the paper that low-frequency oscillations (15-25 Hz) of the vibrating working element may increase the mobility of the slurry 3...
| Issue №3, 2015 |
| Section: Science and production |
| Keywords: intensification of clinker burning, cement slurry, slurry moisture, vibration |
| Autor: P.V. Besedin, S.V. Andruschak, V.K. Kozlov. |
This paper describes the recent work with a fine waste pumice and Microsilica 600 (MS600) where tangible benefits can be obtained from their u...
| Issue №3, 2015 |
| Section: Science and production |
| Keywords: cement, pozzolana, fly ash, pumice, microsilica. |
| Autor: A. Durant, C.H. Bigley, N.B. Milestone. |