Journal
The article considers the effect of various modifications of calcium sulphate, as well as hardening accelerators, on the properties of dry mixes based...
| Issue №2, 2009 |
| Section: Dry construction mixes |
| Keywords: building footing, composition, dry mix, hardening kinetics |
| Autor: I.N. Medvedeva, Yu.M. Kharitonova. |
In 1996, South Africa adopted the European Cement Specification (EN 197) and discontinued the specifications under which cement previously had...
| Issue №3, 2009 |
| Section: Standartization and quality |
| Keywords: cement quality, manufacturer of South Africa, optimization, cement composition |
| Autor: A.W. Walker, M.J. Kearns. |
The article cites the results of the works on using gypsum-anhydrite-type rock as cement setting time regulators, the anhydrite differing by the prese...
| Issue №5, 2009 |
| Section: Science and production |
| Keywords: regulator, setting time, cement composition |
| Autor: A.M. Dmitriev, I.E. Kovaleva, A.V. Shutova, V.P. Ryazin, N.S. Panina.. |
The article considers a line analyser of chemical materials composition - CNA™ Evolution produced by the French company EADS Sodern and using an elect...
| Issue №6, 2009 |
| Section: Presentation |
| Keywords: raw material, composition of elements, neutron source, analyser |
| Autor: K. Lebedev. |
Continuous on-line measurement of cement mineralogy is now becoming accepted into the cement industry. Continuous on-stream X-ray diffraction analyser...
| Issue №6, 2009 |
| Section: Control of production |
| Keywords: COSMA system, X-ray diffraction, sample preparation, mineral composition |
| Autor: P. Storer. |
Sulfate-containing cement has been received from low aluminate and anthropogenic raw materials and it is modification of sulfoaluminate cement. Minera...
| Issue №6, 2009 |
| Section: Science and production |
| Keywords: sulfoaluminate cement, clinker, mineral composition |
| Autor: L.I. Sycheva, D.V. Bakeev. |
The use of hard coal fly ash (Class F fly ash) as a main constituent of cementitious systems is becoming increasingly more attractive. The use...
| Issue №1, 2012 |
| Section: Waste utilization |
| Keywords: hard coal fly ash, reactivity, chemical composition, conversion, compressive strength |
| Autor: S.E. Schulze, J. Rickert. |
In the worldwide practice of precast concrete industry, there is a trend to reduce the temperature of isothermal heating during concrete steam curing,...
| Issue №1, 2012 |
| Section: Concrete |
| Keywords: Portland cement, granulometric composition, precast concrete, curing, soaking time |
| Autor: O.M. Smirnova. |
The effect of water-cement ratio (W/C) on the kinetics of heat release during hydration of cements with different mineralogical composition ha...
| Issue №3, 2012 |
| Section: Science and production |
| Keywords: cement hydration, rate of heat release, water-cement ratio, compound composition |
| Autor: A.A. Serdyukova, I.S. Rakhimbayev. |
Calcium alumoferrites of different composition were synthesized and kinetics of their hydration examined. Their different hydration activity was estab...
| Issue №4, 2012 |
| Section: Science and production |
| Keywords: calcium ferrite phases, synthesis, hydration, composition of liquid phase at hydration, hydrated phases, hardening, strength cement paste |
| Autor: B.V. Gusev, S. Ying Yen-lian, Yu.R. Krivoborodov. |