The last decades have become a period of tremendous growth in the Chinese cement industry. Not only has cement production increased dramatically in the country, which made China the world leader in production, but also technical re-equipment of the industry with the int...
The countries of the Mediterranean having excess capacity for the production of cement and clinker in the region, the export of these materials remains a tool to adjust the output. In 2016, six Mediterranean countries (Turkey, Spain, Greece, Portugal, Italy and Moro...
The total annual cement consumption of cast-in-place construction in Russia is estimated by OOO Amicron Consulting at approximately 8 to 10 Mt. The construction of cast-in-place residential buildings is dynamically developing in the country. Their share in the total com...
On April 22-24, 2018 the 10th International Petrocem Conference was held in St. Petersburg, Russia. Brief information on the conference is given.
The article provides a review of the 10th International Petrocem Conference presentations
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 presented. The industrial clinker was examined, however, the low zinc content gives no possibility to determine even the solid ...
The polymeric structure of a number of industrial dry polycarboxylate plasticizers produced at present was studied using NMR spectroscopy. The effect of plasticizers on the mobility and on the setting time of the cement paste, including that with active mineral additive...
Author: A.S. Brykov, A.S. Panfilov, I.N. Medvedeva, M.V. Mokeev |
Section: Science and production |
Keywords: polycarboxylate plasticizers, structure, NMR spectroscopy, Portland cement, cement paste, workability, setting time, metakaolin, silica fume |
Sulfate resistance of concretes based on various cements produced at the OOO HeidelbergCement Rus in Sterlitamak and Novogurovsky was examined. The results of the studies confirmed the possibility of producing sulfate resistant concretes on the basis of standard cements...
Modernization of equipment is particularly effective when it is possible to keep the existing metal structures as much as possible. The article describes the modernization of bucket elevators, clinker conveyors, plate feeders and warehouse equipment by AUMUND group comp...
At the Serebryansky cement plant, two stages of modernization of three cement mills are completed, with the installation of new tooling of chromium-molybdenum alloys by the Spanish company Fundiciones del Estanda S.A., and changes in the chamber length of the two mills....