| Issue |
MATEC Web Conf.
Volume 310, 2020
4th International Scientific Conference Structural and Physical Aspects of Construction Engineering (SPACE 2019)
|
|
|---|---|---|
| Article Number | 00021 | |
| Number of page(s) | 9 | |
| DOI | https://doi.org/10.1051/matecconf/202031000021 | |
| Published online | 05 March 2020 | |
Mechanical fracture characterization of alkali-activated slag mortars with standardized and natural sand
1
Brno University of Technology, Faculty of Civil Engineering, Veveří 331/95, 602 00 Brno, Czech Republic
2
Brno University of Technology, Faculty of Chemistry, Purkyňova 46/118, 612 00, Brno, Czech Republic
* Corresponding author: simonova.h@vutbr.cz
This paper is focused on the development of the physical, mechanical and fracture characteristics of alkali-activated slag (AAS) mortars during ageing. The two AAS mortars were selected for the purpose of the experiment. The difference was in a type of used sand: first mortar was made using the standardized siliceous sand with the maximum nominal grain size of 2 mm and the second mortar using the natural sand with a maximum grain size of 4 mm. The results of the elastic, fracture and strength parameters determined within the time interval of 3 to 330 days of ageing are summarized in the paper. All experimental results were evaluated for the prismatic specimens with dimensions of 40 × 40 × 160 mm and were expressed by the average value and sample standard deviation calculated from three independent measurements.
© The Authors, published by EDP Sciences, 2020
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