In the presence of superplasticizers the effectiveness of air-entraining additives in the concrete (the optimum dose, the level and stability of air entrainment) depends on competitive adsorption and, accordingly, is determined by the chemistry of the functional...
The influence of the material from used tires containing ZnO (as an alternative fuel), as well as the addition of zinc oxide (up to 2%) on sintering and phase composition of the clinker were examined. The burning property of the raw material mix is i...
The paper describes the influence of the oxide composition and the modular characteristics of clinker on the energy consumption during burning of Portland cement mix and grinding, the optimal degree of substitution of the clinker with pozzolanic additives (fly ash&#...
The paper describes the main areas of research by the research and analysis center (RAC), organized in 2004 by the management of OAO Podolsk Cement. A number of general issues related to the production of cement to be settled on the government level are listed.
The article provides an analytical overview of the construction industry and market in Hungary and Romania. The data on the cost of construction in recent years, their distribution by sectors, forecasts for further development in this area are given. The factors affecti...
The paper describes the design solutions and the practical experience with elevator belts from AUMUND, Germany. The new design will improve reliability and durability of bucket elevators installed at numerous sites worldwide.
Currently many cement plants are facing an urgent problem with sticking and overhanging of material in silos and other process vessels, making the production stop and, consequently, leading to huge production losses. To prevent such situations, French company STANDARD I...
The article describes an agent for cleaning the gears from lubricants, LUBRICLEAN EP, from French company Lubrilog SA and the method of cleaning the gears while in operation with the help of this detergent. Examples of using LUBRICLEAN EP for cleaning rotary kiln and ba...
The paper describes the reconstruction of the power supply system at OAO Mordov-Cement, which included the construction of a combined cycle power plant (CCPP) with a total capacity of 102.8 MW and other facilities. After the successful completion of the reconstr...
From both an environmental and economic point of view, the availability and performance capability of infrastructure traffic areas today and in the future is of the highest priority. This applies to both public and private roads and air traffic areas, as well as for bus...
