Journal
The problem of production and sale of adulterated cement and risks associated with its use in the manufacture of concrete are considered. Comparative ...
| Issue №5, 2011 |
| Section: Standartization and quality |
| Keywords: adulterated cement, concrete, safety, strength, physicochemical methods |
| Autor: N.V. Strzhalkovskaya. |
A study was made of hydration of mixed cements including Portland cement clinker and some silica-containing materials. Differences were identified in ...
| Issue №4, 2010 |
| Section: Science and production |
| Keywords: Mixed binders; granulated blast furnace slag; ash-slag waste; cement hydration; strength growth of cement stone |
| Autor: V.A. Svidersky, V.V. Tokarchuk, N.E. Sobolev, S.N. Chepurko. |
It Is shown that increasing strength characteristics features of the portland cement by possible way to activations raw materials of charge in mode tr...
| Issue №5, 2010 |
| Section: Science and production |
| Keywords: portland cement; activation; wollastonite; strength characteristics |
| Autor: T.Z. Lygina, A.V. Kornilov, A.A. Panina, E.N. Permyakov. |
The article discusses the basic types of ultradisperse silica produced by the industry, their functions within cement grouts and concretes, and also t...
| Issue №2, 2009 |
| Section: New materials |
| Keywords: mineral additive, concrete, microsilica, set strength |
| Autor: A.S. Brykov, R.T. Kamaliev. |
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 work influence of type and a dosage giperplasticizers on reotehnological properties of cement suspensions and concrete mixes is studied. It is esta...
| Issue №2, 2012 |
| Section: Concrete |
| Keywords: water-reducing effect, reotechnological properties, powder-activated concrete, self-compacting concrete, strength |
| Autor: V.I. Kalashnikov, E.V. Gulyaeva. |
The effect of limestone and dolomite additives on the properties of composite cements: water demand, setting time, consolidation deformation, the cont...
| Issue №3, 2012 |
| Section: Science and production |
| Keywords: composite Portland cement, carbonate supplements, slow setting, the products of hydration, strength, corrosion resistance |
| Autor: V.K. Kozlova, A.M. Manokha, A.A. Likhosherstov, E.V. Manuilov, E.Y. Malova. |
Use of highly basic sintered bauxite instead of bauxite and limestone in blast furnace smelting of high-alumina slag - a source of expensive cement wi...
| Issue №4, 2012 |
| Section: Science and production |
| Keywords: bauxite, highly basic sinter, sinter strength |
| Autor: V.A. Utkov, O.V. Zyryanova, L.I. Leontiev. |
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. |
It was established that the addition of 1% of the electrolytes with highly charged cations and anions (Fe2(SO4)3, Al2(SO4)3...
| Issue №2, 2011 |
| Section: Special binders |
| Keywords: Portland cement; compressive strength; long-term storage, solutions of electrolytes |
| Autor: G.I. Berdov, L.V. Ilyina. |