Volume Changes of Cement Composite Based on Steel Slag During Thermal Load

Šimíček, Vojtěch; Václavík, Vojtěch; Kubín, Tomáš; Dvorský, Tomáš; Břenek, Aleš; Valíček, Ján; Kušnerová, Milena; Harničárová, Marta; Gola, Lukáš

doi:10.1007/978-981-10-1602-8_21

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2020

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“…Ladle slag, as a by-product of the metallurgical industry, is one of the possible materials which, after appropriate treatment, can partially replace cement [6]. The possible replacement of part of cement with finely ground ladle slag should bring considerable economic and environmental savings in the production of cement composites, similar to the use of steel or blast furnace slag [7]. The use of ladle slag in the metallurgical industry would secure savings in energy costs and other technological operations associated with slag processing.…”

Section: Introductionmentioning

confidence: 99%

Ladle Slag as an Admixture in Cement Composites

Papesch

Dvorský

Václavík

et al. 2020

KEM

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The research was dealing use of ladle slag and its impact on the physical and mechanical parameters of hardened cement composites. The goal was to find a suitable percentage share of ladle slag used as an admixture. The results of compressive strength tests show the possibility of replacement of a significant amount of cements with a specific secondary product. A decrease in compressive strength of about 8% after 28 days has to be taken into account when using Portland cement CEM I 42.5R and a 10% replacement with ladle slag.

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Section: Introductionmentioning

confidence: 99%