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A platform for research: civil engineering, architecture and urbanism
Performance Properties of High-Density Impermeable Cementitious Paste
The subject of this work is the low-permeability cementitious paste produced by a novel composite binder due to the selection of the optimal component ratio and use of advanced manufacturing technology. The binder is produced through joint grinding of portland cement, fly ash, and limestone together with superplasticizer using a vario-planetary mill. Grinding of active mineral supplements allows crystallization of ash particles as a result of the binding of during the hardening of alite, which intensifies the clinker mineral hydration process; the presence of fine-grained limestone also leads to hydrocarboaluminate calcium formation. The highest strength was measured when 45% by weight of portland cement is replaced with industrial waste. This higher strength of milled portland cement is due to the increased formation of so-called needlelike and stemlike crystals. In general, the reduction, by more than twice, in the capillary porosity of compositions modified by technogenic waste should be noted for all specimens compared with the reference specimen.
Performance Properties of High-Density Impermeable Cementitious Paste
The subject of this work is the low-permeability cementitious paste produced by a novel composite binder due to the selection of the optimal component ratio and use of advanced manufacturing technology. The binder is produced through joint grinding of portland cement, fly ash, and limestone together with superplasticizer using a vario-planetary mill. Grinding of active mineral supplements allows crystallization of ash particles as a result of the binding of during the hardening of alite, which intensifies the clinker mineral hydration process; the presence of fine-grained limestone also leads to hydrocarboaluminate calcium formation. The highest strength was measured when 45% by weight of portland cement is replaced with industrial waste. This higher strength of milled portland cement is due to the increased formation of so-called needlelike and stemlike crystals. In general, the reduction, by more than twice, in the capillary porosity of compositions modified by technogenic waste should be noted for all specimens compared with the reference specimen.
Performance Properties of High-Density Impermeable Cementitious Paste
Fediuk, Roman (author) / Timokhin, Roman (author) / Mochalov, Aleksandr (author) / Otsokov, Kamil (author) / Lashina, Irina (author)
2019-01-18
Article (Journal)
Electronic Resource
Unknown
Performance Properties of High-Density Impermeable Cementitious Paste
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