The feasibility of manufacturing high-chromium grinding media domestically.

The possibilities of manufacturing grinding media of high-chromium cast iron at the foundry of OOO Metallurg-project are discussed. According to the process, jointly developed by the engineers of the company and the Department of general metallurgy of the South Ural Sta...

Mechanical gradation of cement with a laser diffractometer.

The PSA line of laser diffractometers by Austrian Anton Paar, exclusively represented in Russia and Belarus by OOO Avrora, was specifically developed for cement producers. The PSA 1190 analyzer makes it possible to determine the grain size composition of cement and othe...

Ukrainian cement industry. Results of operations in 2018.

In 2018 9,111.4 kt of cement and 6,605.6 kt of clinker were produced by enterprizes — members of Ukrcement Association, which is 0.4 less and 4.3% more than in 2017, respectively. In January—November 2018 the country exported 40.6 kt of clinker and 467.6 kt of cemen...

Performance of calcined clays in mineral construction materials.

The potential of calcinated polymineral natural clay with low kaolinite content as an active additive to concrete is shown. In addition, it can be used to partially replace CaO in silicate autoclave-cured products, and to replace the sulfate component and, partially, ce...

The influence of different grain fractions of granulated blast furnace slag to hydration process of blast furnace cement and its properties.

Results of many researches and analysis show, that adding of granulated blast furnace slag to cement increases its properties. Low heat of hydration, sulfate resistance, lower shrinkage in comparison to Portland cement and high impenetrability of concrete made with this...

Analysis of concrete microstructure on cores taken from motorways.

The paper describes a way of testing concrete pavement structure conditions. Analyses are performed on cores taken from motorway pavements of different ages and conditions. It includes testing of micro-cracking, porosity, fulfilment of pores with products of different r...

History of binding materials.

History of binding materials.

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