Portland composite slag – limestone cements (S-LL)

Vol. 578 (10) 2020 / czwartek, 22 października, 2020


Synowiec Katarzyna, Batog Maciej. 2020. Portland composite slag – limestone cements (S-LL). Volume 578. Issue 10. Pages 32-35. DOI: 10.15199/33.2020.10.01

Accepted for publication: 21.09.2020

The physicochemical properties of the composite slag- -limestone cements are similar to those of the Portland slag cement. Additionally a favorable effect of limestone on the compressive strength of cement mortars was observed, especially at a reduced w/c ratio.While assessing the properties of concrete, particular attention is paid to the effect of sealing the structure of the cement matrix, which is manifested in the increased resistance to media penetration into the concrete (limiting the depth of water penetration under pressure and the permeability of chloride ions). It is possible to obtain concretes of C 30/37 class, while ensuring the frost resistance of concrete frost resistance of concrete with Portland composite cement (S-LL) seems to be quite challenging to achieve despite the proper aeration of concrete.
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dr inż. Katarzyna Synowiec, Centrum Technologiczne Betotech Sp. z o.o. ORCID: 0000-0002-8355-808X
dr inż. Maciej Batog, Centrum Technologiczne Betotech Sp. z o.o. ORCID: 0000-0001-9908-0642

dr inż. Katarzyna Synowiec, Centrum Technologiczne Betotech Sp. z o.o. ORCID: 0000-0002-8355-808X


Full paper is available at Publisher house SIGMA-NOT Sp. z o.o. webpage

DOI: 10.15199/33.2020.10.01