Samples were taken from zones of the shotcrete lining in a tunnel where the shotcrete had completely lost its strength and could easily be removed by hand. In addition, drilling cores without obvious damage at the visible surface (Ø 50 mm and 200 mm) were t...
On 12-16 May, 2014 in Moscow the 3rd All-Russian (International) Conference on Concrete and Reinforced Concrete - an outlook into the future took place. An overview of the papers presented at the conference is provided.
International Exhibition and Conference "Mining equipment, mining and processing of ores and minerals» - MiningWorld Russia – was held in Moscow on April 9-11. The article describes the event.
A review made by CEMBUREAU of the world and European cement production and consumption and the world energy market.
The article presents data on the existing, under construction and planned cement plants of the Republic of Tajikistan, on cement production and import. Since 2013 there has been a significant growth in the cement production in the country.
The article reports on the ceremony devoted to commissioning of new greenfield cement plant in Ferzikovo, Kaluga oblast (capacity: 1.86 Mta) owned by Lafarge Group. It describes the process flowsheet and basic equipment characteristics. Investments in the projec...
The quantity of clinker and cement produced in January-June 2014 is presented as well as the consumption of cement by the regions of Ukraine is given in tables.
Currently, at many cement factories there are problems with material spillage from the conveyor belts and, respectively, with immense dust emissions into the air. To prevent this, and to ensure safe conditions for the operators during maintenance of conveyor belts, Fren...
Often, local geography such as mountainous terrain, overflowing rivers or heavily populated areas interferes with smooth material flow from the quarry to the place of its processing by the shortest route. Long detours may significantly affect the speed and cost of deliv...
Extremely coarse-ground raw cement meal can increase the amount of the melt and reduce the melting temperature to 1100°C. The higher reactivity of the extremely coarse-ground raw meal can increase its saturation factor and the silicate module. The thermal treatment of t...
