The article describes the industrial laser diffraction analyser MYTOS that provides representative sampling, dispersion of the sample and changing the dimension of particles. The modular system is designed both for the flow analysis during the production process, and fo...
The article describes laboratory equipment for testing cement manufacture materials for strength, elemental and phase analysis, determination of the fractional composition of cement, sample preparation and automated microscopic analysis. The efficacy of the discussed te...
In the article it was shown the possibility of production of high-grade blended cement made of two clinkers – shaft and rotary kilns with different factor of the saturation. The high-grade of cement was achieved by selection of an optimal ratio between two clinkers with...
The article presents the results of laboratory production and standard tests of Portland cements in which natural gypsum was replaced with limestone. It was established that, at production of PC 500-D0, one can replace 50% of natural gypsum by limestone without any ...
The article investigates the properties of blended cements with ultradisperse amorphous types of SiO2 of technogenic origin – microsilica and chemically precipitated silica (white soot).
The article describes a comparative study of the effect of ultradisperse silicon materials produced by the industry – microsilica, precipitated silica and colloid silica – on the hydration of Portland cement and composition of the cement stone by the method of solid-sta...
The article cites the results of a study of the construction - engineering properties of Portland cements of the Ural region. It was established that, at manufacture of concrete and concrete mixes, they can be divided into two groups: 3-day cements that ensure over 30&#...
The article describes a new production technology of non-autoclave foam concrete and products from it involving the use of cement of low water requirement with a new water repellant and a new frothing agent. The article considers the equipment required for the process. ...
The article cites the results of processing industrial phosphogypsum for obtaining a product that would control the setting times of cement. Introduction of a limestone-aluminate additive in phosphogypsum and its processing in accordance with the proposed technology ena...
The data on cement and clinker production by Ukrainian plants, the data on cement sales, export and consumption by Ukrainian regions in January 2009 compared to January 2008 are shown in the tables.
