Issue №2, 2017
Determination of the indicators of cement quality by automatic analyzers
Using analytical equipment manufactured by LECO Corporation (USA) for laboratory analyses of cement for such parameters as moisture content, loss on ignition (LOI), and the content of sulfur and carbon is described.| Author: S.A. Nazimov, D.B. Chirkin |
| Section: Control of production |
| Keywords: cement analysis, thermogravimetric analysis, TGA, sulfur, carbon |
XRF analyzers for cement laboratories
The characteristics of ARL OPTIM X X-ray fluorescence analyzer from Thermo Scientific and the possibilities of using it in the laboratories of cement factories are described.| Author: M. Voytenko |
| Section: Control of production |
| Keywords: cement, raw materials, X-ray fluorescence, XRF, elemental analysis, chemical composition |
New refractory solutions for the cement industry
The solutions of AO Borovichi Refractory Plant (AO BKO) for refractory lining for cement rotary kilns using innovative refractory products developed specifically for such furnaces are presented.| Author: V.V. Skurikhin, A.A. Gulyaev |
| Section: Refractories |
| Keywords: rotary kilns, cement production, refractory shapes |
Ukrainian cement industry: operation results in the 1st quarter of 2017
In Q1, 2017 1,461.5 kt of cement and 1,164 kt of clinker were produced by enterprizes – members of Ukrcement Association, or, respectively, 3.9% less and 5.8% more than in Q1, 2016.| Section: Ukrainian pages |
| Keywords: cement and clinker production in Ukraine, cement sales, cement consumption by regions of Ukraine |
Influence of production parameters on the resistance of concrete road pavements to frost and the action of anti-icing salts
Manufacturing of concrete pavements is a complex construction work, which is profitable only if the pavements have a long service life with low maintenance costs.| Author: M. Peyerl, S. Krispel |
| Section: Concrete |
| Keywords: concrete road pavement, deicing salt, freeze-thaw durability |
Polish experience in design and construction of concrete roads
The experience of design and construction of concrete roads in Poland is presented.| Author: P. Mackiewicz, A. Szydlo |
| Section: Concrete |
| Keywords: concrete roads, road pavement, design, construction, finishing |
Cements for frost resistant concrete
There are many material and technological factors influencing on that property of concrete, however, it can be assumed that modification of structure of cement matrix porosity by introducing air-entraining admixtures into concrete mix is the most effective used solution...| Author: M. Ostrowski, Z. Giergiczny, T. Baran, M. Najduchowska |
| Section: Concrete |
| Keywords: concrete, mortar, air entraining cement, frost resistance |
Studies of aggregate solubility for rapid assessment of their reaction capacity
The results of a study aimed at developing improved techniques for establishing the extent of aggregates participation in the alkali-silica reaction (ASR) are given.| Author: L. Osterhus, C. Dombrowski, F. Schmidt-Doehl |
| Section: Concrete |
| Keywords: alkali-silica reaction, aggregate, solubility, testing |
Mineral binders for soil stabilization
The foundations of the technology for soil stabilization with mineral binders are described. Its advantages include reducing the cost of building roads and increasing the pace of construction, extending the life of roads without major repairs, etc. LafargeHolcim (Ru...| Author: A. Ruzhitskaya |
| Section: Application of cement |
| Keywords: road construction, soil stabilization, mineral binders |
Specifics of the effect of carbon black with different chemical nature of the surface on hydration of tricalcium silicate at an early stage
The paper presents the results of studies of the physical and chemical properties of the three types of carbon black, as well as the results of the study of their effect on the early hydration of tricalcium silicate using isothermal calorimetry.| Author: A.M. Sobolkina, B.Y. Trofimov |
| Section: Science and production |
| Keywords: carbon black, zeta potential, surface tension, oxygen- containing functional groups, tricalcium silicate, hydration, isothermal calorimetry |