Journal
In the production of Portland cement clinker the raw mix always contains sodium and potassium oxides, which can accumulate in the calcined material be...
| Issue №4, 2021 |
| Section: Science and production |
| Keywords: Portland cement clinker minerals, alite, belite, Portland cement clinker, sodium oxide, potassium oxide, grindability, microhardness, compressive strength |
| Autor: D.A. Mishin, A.O. Erygina. |
Due to the significant impact of CO2 emissions on climate change, cement manufacturers are making efforts to reduce those at their plants. To make it ...
| Issue №4, 2019 |
| Section: Ecology and safety |
| Keywords: cement production, CO2 emission, environmental ranking, compressive strength |
| Autor: L. Evans, M. Mutter. |
A search for comprehensive criteria to predict the durability of concrete has been made. It was demonstrated that the compressive strength of concrete...
| Issue №4, 2017 |
| Section: Concrete |
| Keywords: concrete durability, compressive strength, frost resistance, chloride diffusion, carbonization |
| Autor: S. Palm, C. Mueller, A. Wolter. |
The article presents results of tests of mechanical properties and creep strength of the concrete damaged by ASR
| Issue №6, 2016 |
| Section: Concrete |
| Keywords: concrete, coarse aggregate, creep, static modulus of elasticity, compressive strength |
| Autor: H. Ozkan, H.-W. Reinhardt, O. Mielich. |
The analysis of temperature changes, setting time, increase in compression strength showed that use of powerful ultrasound accelerates hardening and a...
| Issue №5, 2016 |
| Section: Concrete |
| Keywords: concrete, ultrasound, hardening time, compressive strength |
| Autor: R. Remus, C. Roessler, J. Orben, H.-M. Ludwig. |
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. |
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. |
The influence of water-to-cement mass ratio (w/c) on early-age properties of cement-based materials is investigated using a variety of experim...
| Issue №3, 2011 |
| Section: Science and production |
| Keywords: compressive strength, hydration, water-to-cement mass ratio, calorimetry, crack formation |
| Autor: D.P. Bentz, M.A. Peltz, J. Winpigler. |
The properties of cementing compositions where calcium aluminates were mixed in as the following products: calcium aluminate cement (containing 40...
| Issue №2, 2015 |
| Section: Science and production |
| Keywords: calcium aluminate, Portland cement, calcium sulphate, setting time, hydration temperature, compressive strength, flexural strength, linear length change |
| Autor: L.C. Van Nes Blessing. |
The properties of cement pastes with different dispersive capacities of cement (200—600 m2/kg) and silica filler (100—900 m2/kg) were ...
| Issue №2, 2013 |
| Section: Science and production |
| Keywords: properties, durability, cement stone, silica filler, dispersion, compressive strength, bending strength |
| Autor: O.V. Kononova, L.M. Dobshits. |