Journal
Results of many researches and analysis show, that adding of granulated blast furnace slag to cement increases its properties. Low heat of hydration, ...
| Issue №6, 2018 |
| Section: Science and production |
| Keywords: waste heat recovery, electric power generation, cement production. |
| Autor: M. Oleskow. |
Mixed cements are characterized by a lower early compressive strength compared with that of conventional Portland cement. Using a very simple three-di...
| Issue №5, 2018 |
| Section: Science and production |
| Keywords: Portland cement, blended cement, filler, hydration, water- binder ratio, strength. |
| Autor: P.-C. Aitcin, W. Wilson, S. Mindess. |
Kaolinite has been examined at heating temperatures from 500 – 1100 oC. For each sample, the degrees of dissolution in acidic and basic media have bee...
| Issue №5, 2018 |
| Section: Science and production |
| Keywords: NMR spectroscopy, kaolinite, calcined clay. |
| Autor: C. Ruiz-Santaquiteria, J. Skibsted. |
The influence of plasticizing agents of different chemical composition on rheological and technological properties of raw cement slurry has been studi...
| Issue №4, 2018 |
| Section: Science and production |
| Keywords: plasticizer, superplasticizer, cement raw slurry, spreadability, plastic viscosity. |
| Autor: O.A. Panova, P.V. Besedin. |
The article discusses the current state of cement production in Georgia. Because of the scarcity and high cost of mineral additives, the companies beg...
| Issue №3, 2018 |
| Section: Science and production |
| Keywords: cement production, mineral additive, pumice, crushed stone, tuff, basalt |
| Autor: R. Skhvitaridze, E. Shapakidze, I. Gejadze, T. Kordzakhia, G. Tsintskaladze, I. Giorgadze, Sh. Verulava. |
OOO Polyplast Novomoskovsk supplies several types of process additives for the cement industry: raw slurry diluents, cement grinding aids, etc. The ar...
| Issue №3, 2018 |
| Section: Science and production |
| Keywords: technological additives, diluents, grinding aids, technical and economic efficiency |
| Autor: L.D. Shakhova, R.A. Kotlyarov, N.M. Berezina. |
Zinc is a well-known retarder of cement setting. In the paper the results of investigation of the influence of zinc content in a kiln feed are present...
| Issue №2, 2018 |
| Section: Science and production |
| Keywords: cement, clinker, zinc, burning, strength, setting |
| Autor: P. Zajd, E. Jelito, W. Kurdowski. |
The polymeric structure of a number of industrial dry polycarboxylate plasticizers produced at present was studied using NMR spectroscopy. The effect ...
| Issue №2, 2018 |
| Section: Science and production |
| Keywords: polycarboxylate plasticizers, structure, NMR spectroscopy, Portland cement, cement paste, workability, setting time, metakaolin, silica fume |
| Autor: A.S. Brykov, A.S. Panfilov, I.N. Medvedeva, M.V. Mokeev. |
Sulfate resistance of concretes based on various cements produced at the OOO HeidelbergCement Rus in Sterlitamak and Novogurovsky was examined. The re...
| Issue №2, 2018 |
| Section: Science and production |
| Keywords: cement, concrete, sulfate resistance, granulated blast furnace slag |
| Autor: S.V. Moshkovskaya, E.N. Potapova. |
The content of air entrained in cement-sand mortar mix and the size of air bubbles are determined by the competition between molecules of air-entraini...
| Issue №1, 2018 |
| Section: Science and production |
| Keywords: air-entraining additives, microsilica, metakaolin, superplasticizers, competition, entrained air, frost resistance of concrete. |
| Autor: Yu.M. Kudla, Ye.A. Mikhailova, M.V. Pulman, A.S. Brykov. |