Journal
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. |
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. |
Specifics of construction and repair of cement concrete coatings, with a view to homogeneity of cement and sand, properties of chemical additives, con...
The usage of superplasticizers for concrete production is beneficial in terms of workability and water reduction. Therefore, superplasticizers enable ...
Issue №1, 2016 |
Section: Science and production |
Keywords: tricalcium silicate, superplasticizers, dissolution, crystallization |
Autor: T. Sowoidnich, C. Roessler, H.-M. Ludwig. |
Chemical admixtures have long been known for the beneficial role they play in improving the engineering properties of concrete and mortar mixtures. Lo...
Issue №5, 2014 |
Section: Concrete |
Keywords: concrete, air entraining agents, superplasticizers |
Autor: A.A. Jeknavorian. |
The ability of aluminium compounds (amorphous Al(OH)3, aluminium sulphate and basic aluminium sulphate) to inhibit destructive alkali-...
Issue №1, 2014 |
Section: Science and production |
Keywords: aluminum hydroxide, aluminum sulphate, basic aluminum sulphate, alkali-silica reaction, mitigation, Portland cement, concrete, water-reducing admixtures, superplasticizers |
Autor: A.S. Brykov, A.V. Anisimova, N.S. Rozenkova. |
The influence of plasticizers of different chemical nature on the processes of structure formation of alkali Portland cement in the system "Portl...
Issue №3, 2014 |
Section: Dry construction mixes |
Keywords: alkaline cements, sodium metasilicate, calcium sulphate hemihydrate, gypsum, structure formation, plasticizers, plastic strength, induction period |
Autor: R.F. Runova, I.I. Rudenko, A.P. Konstantinovsky. |