Perspective of concrete with Portland composite cement CEM II/C-M (S-LL)
1
Building Testing and Research Institute, Slovak Republic
2
Danucem Slovensko a.s., Slovak Republic
Submission date: 2024-01-11
Final revision date: 2024-02-26
Acceptance date: 2024-07-24
Publication date: 2024-07-27
Corresponding author
Ivan Janotka
Building Testing and Research Institute, Studená 3, 821 04, Bratislava, Slovak Republic
Building Testing and Research Institute, Studená 3, 821 04, Bratislava, Slovak Republic
Cement Wapno Beton 29(1) 54-70 (2024)
KEYWORDS
TOPICS
ABSTRACT
In 2021, cement plants in Slovakia started production of Portland composite cement of CEM II/C-M type according to STN EN 197-5. The main objective is to reduce the carbon footprint in the production of types of cement characterized by lower clinker content. The application of this cement is currently limited because the construction product standards only accept the use of types of cement according to STN EN 197-1. For types of cement meeting the STN EN 197-5 requirements, the general suitability of their use in concrete according to STN EN 206+A2 is not indicated. The applicability of individual types of cement only according to STN EN 197-1 for exposure classes XC, XF, XD, and XA is specified
in the National Annex (STN EN 206+A2/NA). The suitability of the use of new cement concrete must therefore be demonstrated. The aim of the research carried out was to clarify the potential of using CEM II/C-M (S-LL) in practice. This article presents the results of a research project aimed at verifying the suitability of CEM II/CM (S-LL) for use in concrete following the requirements of STN EN 206+A2.
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