Journal
The paper describes phase-chemical transformations in cement pastes and cement-sand mortars with the addition of aluminum and iron sulfates in acceler...
Issue №3, 2019 |
Section: Science and production |
Keywords: Portland cement, alkali-free accelerators, alkali-silica reaction, ASR, phase conversions. |
Autor: A.S. Brykov, M.Ye. Voronkov, N.S. Paritskaya. |
The results of the development work on complex additives for concrete, including mineral components from industrial wastes (such as ash and slag o...
Issue №3, 2019 |
Section: Science and production |
Keywords: additives for concrete, industrial waste, properties of concrete mixes, mechanical-and-physical properties of concrete. |
Autor: V.T. Pertsev, Ya.Z. Khalilbekov, A.A. Ledenev, N.S. Perova. |
The dispersing effect of superplasticizers at standard temperature is well known. This contribution extends the knowledge about interactions between s...
Issue №1, 2019 |
Section: Science and production |
Keywords: cements with several main constituents, limestone, granulated blastfurnace slag, superplasticizer, temperature. |
Autor: J. Herrmann, J. Rickert. |
The study concentrates on the examination of crystalline and amorphous phase assemblage formed in ettringite-rich systems as a function of calcium alu...
Issue №1, 2019 |
Section: Science and production |
Keywords: hydration, ettringite, calcium aluminate cement, gypsum, Portland cement. |
Autor: E. Qoku, T. Bier, G. Schmidt. |
The potential of calcinated polymineral natural clay with low kaolinite content as an active additive to concrete is shown. In addition, it can be use...
Issue №6, 2018 |
Section: Science and production |
Keywords: calcined clay, cement, concrete. |
Autor: K.-C. Thienel, S. Scherb, C. Chucholowski, N. Beuntner. |
Results of many researches and analysis show, that adding of granulated blast furnace slag to cement increases its properties. Low heat of hydration, ...
Issue №6, 2018 |
Section: Science and production |
Keywords: waste heat recovery, electric power generation, cement production. |
Autor: M. Oleskow. |
Mixed cements are characterized by a lower early compressive strength compared with that of conventional Portland cement. Using a very simple three-di...
Issue №5, 2018 |
Section: Science and production |
Keywords: Portland cement, blended cement, filler, hydration, water- binder ratio, strength. |
Autor: P.-C. Aitcin, W. Wilson, S. Mindess. |
Kaolinite has been examined at heating temperatures from 500 – 1100 oC. For each sample, the degrees of dissolution in acidic and basic media have bee...
Issue №5, 2018 |
Section: Science and production |
Keywords: NMR spectroscopy, kaolinite, calcined clay. |
Autor: C. Ruiz-Santaquiteria, J. Skibsted. |
The influence of plasticizing agents of different chemical composition on rheological and technological properties of raw cement slurry has been studi...
Issue №4, 2018 |
Section: Science and production |
Keywords: plasticizer, superplasticizer, cement raw slurry, spreadability, plastic viscosity. |
Autor: O.A. Panova, P.V. Besedin. |
The article discusses the current state of cement production in Georgia. Because of the scarcity and high cost of mineral additives, the companies beg...
Issue №3, 2018 |
Section: Science and production |
Keywords: cement production, mineral additive, pumice, crushed stone, tuff, basalt |
Autor: R. Skhvitaridze, E. Shapakidze, I. Gejadze, T. Kordzakhia, G. Tsintskaladze, I. Giorgadze, Sh. Verulava. |