Journal
When dealing with raw materials of cement production at low ambient temperatures, and in the cases when the materials are wet and sticky, problems may...
| Issue №2, 2014 |
| Section: Equipment and technology |
| Keywords: bulk material storage, pile, heating system, powdering, sticky material |
| Autor: A. Olsen, K. Larsen, M. Duedam. |
Lately the views of the conveyor transport have changed, primarily because the conveyors themselves improved, acquired properties, unachievable before...
| Issue №2, 2014 |
| Section: Equipment and technology |
| Keywords: conveyor, bulk materials transportation |
| Autor: G. Raimbault. |
Equipment malfunction may lead to a lengthy downtime, and this is particularly evident in the handling of materials. A failure here may entail a compl...
| Issue №2, 2014 |
| Section: Equipment and technology |
| Keywords: maintenance service, upgrading, elevators, conveyors |
| Autor: K. Thimm. |
Both planned and emergency work to replace the bearings lead to lengthy downtime of equipment in connection with the accompanying labor-intensive oper...
| Issue №2, 2014 |
| Section: Equipment and technology |
| Keywords: split spherical roller bearings, repair parts, disassembling |
| Autor: A.V. Golovkin. |
Effect of ash from thermal power plants and artificial pozzolans on the properties of cement mortars
| Issue №2, 2014 |
| Section: Science and production |
| Keywords: pozzolana, fly ash, metakaolin, cement mortar, superplasticizer |
| Autor: S.A. Krasnobaeva, I.N. Medvedeva, V.I. Korneev. |
Industrial byproducts and waste materials are commonly used as either alternate fuels or substitute raw materials in the cement manufacturing process....
| Issue №2, 2014 |
| Section: Science and production |
| Keywords: clinker chemistry, sulfur, alite, belite, crystals, mineral, phase reactivity |
| Autor: H. Wang, C. Qi, H. Farzam, E. Caballero. |
The article describes a study of ball mill operation depending on different types of lining conducted using EDEM Simulation computer software package....
| Issue №2, 2014 |
| Section: Science and production |
| Keywords: design, mill, cement, EDEM, simulation, energy, lining |
| Autor: V.S. Bogdanov, P.A. Khakhalev. |
The effect of curing conditions and the amount of gypsum as part of composite cements with carbonatecontaining additives on their strength was examine...
| Issue №2, 2014 |
| Section: Science and production |
| Keywords: composite cements, carbonates, mineral additive, strength |
| Autor: V.K. Kozlova, A.M. Sokolov, A.M. Manokha, E.Yu. Malova, E.V. Bozhok. |
One of the most popular preventive measures to minimize the occurrence of chemical expansive reactions, namely the internal sulphate reaction (ISR...
| Issue №2, 2014 |
| Section: Concrete |
| Keywords: internal sulphate reaction, delayed ettringite formation, limestone filler, mineral additions, microstructure |
| Autor: A. Santos Silva, D. Soares, L. Matos, M. Salta, A. Gonçalves, A. Bettencourt Ribeiro, A. Pavoine, L. Divet. |
Samples were taken from zones of the shotcrete lining in a tunnel where the shotcrete had completely lost its strength and could easily be removed by ...
| Issue №2, 2014 |
| Section: Concrete |
| Keywords: shotcrete, tunnel, thaumasite, water glass, sulphate |
| Autor: J. Tritthart, D. Klammer, F. Mittermayr, A. Brunnsteiner. |