2019
DOI: 10.1088/1757-899x/708/1/012080
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The effect of added finely dispersed calcite on the corrosion resistance of cement compositions

Abstract: Many types of the corrosion of Portland cement stone immersed into inorganic liquid media are conditioned by chemical exchange reactions between the substances dissolved in them and cement hydration products. To prevent the corrosion formation in corrosive media it is necessary to form cement clinker hydration products that do not enter into ion exchange reactions in the solutions. The concrete structure defines the penetration rate of corrosive ions and that of the removal of corrosion products, in other word… Show more

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Cited by 16 publications
(4 citation statements)
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“…Substitution of OPC clinker by additives (i.e. zeolite, slag, fly-ash, highly dispersed chalk) ensures increased strength [1,2], corrosion resistance [3], waterproof [4], freeze-thaw resistance [5] while reduction of CO2 emission.…”
Section: Introductionmentioning
confidence: 99%
“…Substitution of OPC clinker by additives (i.e. zeolite, slag, fly-ash, highly dispersed chalk) ensures increased strength [1,2], corrosion resistance [3], waterproof [4], freeze-thaw resistance [5] while reduction of CO2 emission.…”
Section: Introductionmentioning
confidence: 99%
“…The additive of СаСО 3 was also tried in some cement composition, including in the alkali-activated slag cements, but not as a whitening additive, but as a filler (38)(39)(40). The additive of ТіО 2 to the clinker cement-based concrete sand mortars was tried, as reported in (41,42), but not as a whitening additive; it was used as an antifungal and bactericidal additive to mortars or nano admixture to enhanced photocatalytic, hydrophobic and mechanical properties with the effect of self-cleaning of the surface and antimicrobial properties.…”
Section: Introductionmentioning
confidence: 99%
“…However, the increased consumption of cement in the ECC compared to concrete can lead to increased cracking, which is due to increased heat and shrinkage (Zhang, 2009). Reduction of heat evolution and shrinkage is provided by partial replacement of cement with additional cementing materials, in particular ash, ash, chalk, zeolite Sobol, 2014;Borziak, 2019). However, the introduction of fly ash due to low reactivity leads to a decrease in strength in both early and late hardening, which leads to the use of ultrafine active mineral additives with increased pozzolanic activity, in particular microsilica, metakaolin (Marushchak, 2018).…”
Section: Introductionmentioning
confidence: 99%