| Issue |
MATEC Web Conf.
Volume 385, 2023
The 15th International Scientific Conference of Civil and Environmental Engineering for the PhD. Students and Young Scientists – Young Scientist 2023 (YS23)
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|---|---|---|
| Article Number | 01012 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.1051/matecconf/202338501012 | |
| Published online | 30 October 2023 | |
Cohesion and adhesion of a sealant joint subjected to compressive stress
Brno University of Technology, Faculty of Civil Engineering, Veveri 331/95, 60200 Brno, Czech Republic
* Corresponding author: bohacek.a@fce.vutbr.cz
This article is devoted to the evaluation of the suitability of the use of sealants when applied to a cement-based material and its subsequent exposure to compressive stress. Aquapanel cement board is chosen as the underlying material. In general, cementitious materials are characterized by a high concentration of dust particles on the surface, which prevent the correct adhesion of the sealant to the substrate, and therefore their sealing is often problematic. The sealants presented in this research are selected based on the manufacturer's recommendations for suitability for sealing cement-based materials. Base plates are made from cement board, which are subsequently sealed according to the procedures established by the ČSN EN ISO 11432 standard. The samples produced in this way are then cycled and their resistance to pressure stress is subsequently tested. The results of the test performed in this way are evaluated by measuring and visually evaluating the adhesion and cohesion of the cemented joint. Based on the results, it is possible to recommend all of the tested sealants for sealing cementitious base materials that are exposed to compressive stress.
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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