| Issue |
MATEC Web Conf.
Volume 403, 2024
SUBLime Conference 2024 – Towards the Next Generation of Sustainable Masonry Systems: Mortars, Renders, Plasters and Other Challenges
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|---|---|---|
| Article Number | 02013 | |
| Number of page(s) | 6 | |
| Section | Mortar Properties | |
| DOI | https://doi.org/10.1051/matecconf/202440302013 | |
| Published online | 16 September 2024 | |
Released heat of hydrating particle fractions of Portland cement
1 CTU in Prague, Faculty of Civil Engineering, Experimental Centre, Thákurova 7, 166 29 Praha, Czech Republic
2 CTU in Prague, Faculty of Civil Engineering, Department of Mechanics, Thákurova 7, 166 29 Praha, Czech Republic
* Corresponding author: pavel.reiterman@fsv.cvut.cz
Portland cement had belonged to the most used binder world-wide. Besides long tradition of its production, its specific technical properties are highly different in comparison with previous decades. Currently produced Portland cement exhibits similar mechanical properties, however the process of its hydration had slightly different character, inducing new challenges and technical difficulties during its use. The particle size distribution of currently produced cement is highly different in comparison with previous decades, because of optimized grinding process motivated by the reduction of related costs. Hence, the fines create the dominant part of current Portland cement. Present work follows previous research focused on the crack-resistant cement and confirmed direct influence of the fast kinetics of cement hydration on crack induction on drying. This paper deals with an experimental study focused on the hydration heat of selected particle fractions of Portland cement.
© The Authors, published by EDP Sciences, 2024
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