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Effect of polycarboxylate superplasticiser on properties of calcium aluminate cement mortar (CROSBI ID 209644)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Ukrainczyk, Neven Effect of polycarboxylate superplasticiser on properties of calcium aluminate cement mortar // Advances in cement research, 27 (2015), 7; 388-398. doi: 10.1680/adcr.14.00022

Podaci o odgovornosti

Ukrainczyk, Neven

engleski

Effect of polycarboxylate superplasticiser on properties of calcium aluminate cement mortar

The effect of polycarboxilate ether (PCE)-based superplasticiser on the fresh and hardened properties of calcium aluminate cement (CAC)-based materials was investigated. Cohesion of the fresh mortar was improved by addition of methyl-cellulose, thus avoiding segregation induced by the superplasticiser action. As PCE significantly retarded the setting time, lithium carbonate (Li2CO3) was investigated as an accelerator by calorimetric measurements. Compressive and flexural strengths, porosity and dynamic modulus were tested after 1 d and 9 d cured at 238C and after transformation of metastable hydration products to stable ones at 608C. The combined usage of PCE with methyl-cellulose and lithium carbonate showed promising superplasticising properties for CAC that improved properties of the material.

Calcium aluminate cement; calorimetry; hydration kinetics; mechanical properties; rheology; setting time; superplasticizer

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Podaci o izdanju

27 (7)

2015.

388-398

objavljeno

0951-7197

10.1680/adcr.14.00022

Povezanost rada

Kemija, Građevinarstvo, Kemijsko inženjerstvo

Poveznice
Indeksiranost