Journal
The regulatory documents do not contain specific requirements for repair cement compositions, taking into account the actual physical and mechanic...
| Issue №5, 2024 |
| Section: Science and production |
| Keywords: repair cement mixtures, joint work with concrete, impact load, inclined shear, adhesive contact |
| Autor: A.S. Sidorova, A.M. Kharitonov. |
The paper deals with the problems of compatibility of cement with organic modifiers of rheological properties of cement dough as estimated by the ...
| Issue №4, 2024 |
| Section: Science and production |
| Keywords: compatibility of cement with additives, rheological characteristics, cement paste, mortar mix, Kantro test, mini-cone |
| Autor: L.D. Shakhova. |
It is highly subjective to decipher which cement or a binding material is new, as this understanding is intimately linked with time, space and con...
| Issue №3, 2024 |
| Section: Science and production |
| Keywords: cement, Portland cement, calcium aluminate cement, calcium sulfo-aluminate cement |
| Autor: A. Chatterjee. |
Cement hydration is a complex chemical and physical reaction process, which directly determines the microstructure and macro-property of hardened ...
| Issue №3, 2024 |
| Section: Science and production |
| Keywords: cementitious materials, computer simulation, calcium silicate hydrate, non-spherical particles. |
| Autor: Li Kai, Zhao Wen, Shi Caijun. |
The article is concerned with improving the methods of finite element modeling of the structure and operational properties of cement concrete. The...
| Issue №3, 2024 |
| Section: Science and production |
| Keywords: cement concrete, modulus of elasticity, compressive strength, structural model, finite element (FE) model |
| Autor: A.S. Korolev, A.A. Zadorin, M.V. Mishnev. |
The article discusses the properties of a Portland cement-based composite modified with a suspension of copper/carbon mesoscopic Cu/C MK composite...
| Issue №3, 2024 |
| Section: Science and production |
| Keywords: metal/carbon mesoscopic composites, crystal formation, differential thermal analysis, infrared spectrometry, X-ray microanalysis |
| Autor: S.N. Semenova, G.I. Yakovlev, Z.S. Saidova, L.A. Urkhanova. |
Wollastonite, with its acicular structure, being either an industrial by-product or a natural mineral, can be used as a reinforcing additive in concre...
| Issue №2 |
| Section: Science and production |
| Keywords: wollastonite, composite, cement, concrete, strength, frost resistance, water absorption |
| Autor: V.A.Lipin, E.D.Sofronova. |
The strategy of substituting clinker by supplementary cementitious materials, SCM appears to be the shortest and less capital-intensive path to sustai...
| Issue №1 |
| Section: Science and production |
| Keywords: calcined clay, supplementary cementitious materials, limestone, LC3, Portland cement, clinker |
| Autor: F. Martirena-Hernandez, F. Arcial-Carratala, R. Almenares-Reyes. |
The purpose of the study is to develop cement fine-grained concrete modified with active mineral additives for 3D concrete printing (3DCP) wit...
| Issue №1 |
| Section: Science and production |
| Keywords: concrete, additive manufacturing in construction, 3DCP, active mineral additives, rheotechnological properties, strength. |
| Autor: R.Kh. Mukhametrakhimov. |
The mixture of high- and low-calcium types of fly ash and activator, sodium carbonate, can serve as a low-grade clinker-free binder gaged with water. ...
| Issue №1 |
| Section: Science and production |
| Keywords: low-calcium fly-ash, high-calcium fly-ash, CaO free, alkaliactivated materials, colloidal silica, precipitated silica, silica fume |
| Autor: A.S. Brykov, M.E. Voronkov. |