Journal
The paper describes a way of testing concrete pavement structure conditions. Analyses are performed on cores taken from motorway pavements of differen...
| Issue №6, 2018 |
| Section: Concrete |
| Keywords: concrete pavement, degradation, alkali-silica reaction, scanning electron microscope, energy-dispersive X-ray spectroscopy, petrography. |
| Autor: J. Stryk, J. Stulirova, A. Frybort, M. Gregerova. |
The polymeric structure of a number of industrial dry polycarboxylate plasticizers produced at present was studied using NMR spectroscopy. The effect ...
| Issue №2, 2018 |
| Section: Science and production |
| Keywords: polycarboxylate plasticizers, structure, NMR spectroscopy, Portland cement, cement paste, workability, setting time, metakaolin, silica fume |
| Autor: A.S. Brykov, A.S. Panfilov, I.N. Medvedeva, M.V. Mokeev. |
A new class of isochemical hydraulic binders, based on the formation of hydraulic active calciumhydrosilicates (hCHS), offers a new approach t...
| Issue №1, 2018 |
| Section: New materials |
| Keywords: CSH-phases, Celitement, activation grinding, calcium hydrosilicates, "green" cement, novel cementious binders. |
| Autor: H. Moeller. |
Calcium silicate hydrate (C-S-H) is the binder in concrete, the most utilized synthetic material in the world. The main weakness of concrete i...
| Issue №1, 2018 |
| Section: New materials |
| Keywords: concrete, calcium silicate hydrate, elasticity, flexural strength, mesocrystal, highly-ordered nanoparticles, polymeric binder. |
| Autor: A. Picker, L. Nicoleau, Z. Burghard, J. Bill, I. Zlotnikov, C. Labbez, A. Nonat, H. Coelfen. |
The content of air entrained in cement-sand mortar mix and the size of air bubbles are determined by the competition between molecules of air-entraini...
| Issue №1, 2018 |
| Section: Science and production |
| Keywords: air-entraining additives, microsilica, metakaolin, superplasticizers, competition, entrained air, frost resistance of concrete. |
| Autor: Yu.M. Kudla, Ye.A. Mikhailova, M.V. Pulman, A.S. Brykov. |
The paper describes thermal insulation materials developed by the Danish company Skamol for lining various aggregates for cement production. Their use...
| Issue №6, 2017 |
| Section: Refractories |
| Keywords: heat-insulating materials, boards of calcium silicate based material, heat-insulating bricks |
| Autor: A.A. Kosolapov, M.V. Maksimov, K. Lundgaard. |
The results of comparative tests of cement-sand mortars with a reactive aggregate in the solutions of sodium hydroxide (NaOH) and sodium salts...
| Issue №5, 2017 |
| Section: Science and production |
| Keywords: alkali-silica reaction, accelerated mortar-bar test, sodium chloride, sodium sulfate, aluminum sulfate |
| Autor: A.S. Brykov, N.S. Paritskaya. |
The aim of this investigation is to develop ultra high performance concrete (UHPC) for multipurpose – higher mechanical and ionizing radiation...
| Issue №4, 2017 |
| Section: Concrete |
| Keywords: nano-silica, UHPC, barite, radiation protection |
| Autor: K. Jankovic, S.J. Stankovic, M. Stojanovic, D. Bojovic, L. Antic. |
The options for rotary kiln lining with refractory materials manufactured by OOO Ogneupor (Magnitogorsk) are considered, and effective substit...
| Issue №3, 2017 |
| Section: Refractories |
| Keywords: rotary kiln, mullite-silica shapes. |
| Autor: A.V. Chevychelov, A.G. Valuev, R.V. Kozhev, S.A. Pomortsev, V.Yu. Soloviev, A.V. Kostromin, Yu.V. Gerasimenok. |
The results of a study aimed at developing improved techniques for establishing the extent of aggregates participation in the alkali-silica reaction &...
| Issue №2, 2017 |
| Section: Concrete |
| Keywords: alkali-silica reaction, aggregate, solubility, testing |
| Autor: L. Osterhus, C. Dombrowski, F. Schmidt-Doehl. |