Journal
This article looks at the use of silica fume to negate the high reactivity of aggregates in Turkey. Reference is made to initial testing for ASR resis...
| Issue №4, 2016 |
| Section: Science and production |
| Keywords: Alkali Silica Reaction (ASR), pozzolans, silica fume, expansion values |
| Autor: R.C Lewis, E. Bayrak. |
The article describes the studies carried out to determine the effect of mineralizer addition method on the properties of Portland cement clinker. In ...
| Issue №4, 2016 |
| Section: Science and production |
| Keywords: clinker burning intensification, mineralizer, fluorspar CaF2, alkali metal salts, Na2O, R2O, clinker color, efficient use of mineralisers, the phenomenon of reducing the effect of the fluorspar |
| Autor: D.A. Mishin, S.V. Kovalev, V.G. Chekulaev. |
The usage of superplasticizers for concrete production is beneficial in terms of workability and water reduction. Therefore, superplasticizers enable ...
| Issue №1, 2016 |
| Section: Science and production |
| Keywords: tricalcium silicate, superplasticizers, dissolution, crystallization |
| Autor: T. Sowoidnich, C. Roessler, H.-M. Ludwig. |
In this paper, results of a solid-state nuclear magnetic resonance (NMR) analysis of white Portland cements blended with different calcined cl...
| Issue №1, 2016 |
| Section: Science and production |
| Keywords: solid-state NMR spectroscopy, white Portland cement, calcined clay, kaolinite, metakaolin, montmorillonite |
| Autor: J. Skibsted, Z. Dai, K.E. Rasmussen, N. Garg. |
Pozzolanic properties of calcined clays of various mineral composition mixed with four different CEM I Portland cements were examined. It was found th...
| Issue №1, 2016 |
| Section: Science and production |
| Keywords: pozzolanic cement, pozzolanic material, calcined clay, hydration |
| Autor: S.E. Schulze, J. Rickert. |
Methods of mechanical action on the material ground in ball mills and vertical roller mills are fundamentally different from each other. These differe...
| Issue №1, 2016 |
| Section: Science and production |
| Keywords: grinding systems, vertical roller mill, ball mill, particle size distribution, particle shape, particle surface, cement quality |
| Autor: I.A. Zlobin, O.S. Mandrikova, I.N. Borisov. |
Using coarsely ground slurries is one of the reserves to improve the performance indicators of cement production. Conventional division of the raw mat...
| Issue №1, 2016 |
| Section: Science and production |
| Keywords: sludges, dispersion, roasting, melt capillary impregnation |
| Autor: V.A. Lotov, Y.G. Kozlovsky. |
The article discusses an algorithm for calculation of process parameters and modes of operation for a screw classifier of the raw slurry for cement pr...
| Issue №2, 2016 |
| Section: Science and production |
| Keywords: sludge, spiral-screw classifier, liquid, liquid and solid sludge constituents, volumetric and mass flow of sludge, coefficient of entrainment of solid constituent, specific resistivity of sludge layer, imposition of corpuscles |
| Autor: V.S. Bogdanov, D.V. Bogdanov, N.E. Bogdanov. |
In light of the need to introduce new composite cements and the reduction of CO2 emissions, the article presents the results of the study of Portland ...
| Issue №2, 2016 |
| Section: Science and production |
| Keywords: limestone, dolomite, strength, hydration, hydrotalcite, thermodynamic modeling |
| Autor: M. Zajac, M. Ben Haha. |
The reactivity of extremely coarse feed mixture consisting of clay with a low content of clay minerals (30%) and high content of quartz an...
| Issue №2, 2016 |
| Section: Science and production |
| Keywords: extremely coarse raw meal, fraction, solid phase reactions, qualitative X-ray analysis, free energy |
| Autor: P. Loerke. |