| 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 | 03010 | |
| Number of page(s) | 10 | |
| Section | New Mortar Solutions | |
| DOI | https://doi.org/10.1051/matecconf/202440303010 | |
| Published online | 16 September 2024 | |
Testing historical recipes with organic additives to alter the water absorption of traditional lime mortar
1 Conservation-Restoration, University of Antwerp, Mutsaardstraat 31, 2000 Antwerp, Belgium.
2 Antwerp Cultural Heritage Sciences (ARCHES), Faculty of Design Sciences, University of Antwerp, Mutsaardstraat 31, 2000 Antwerp, Belgium.
* Corresponding author: florence.van.audenrode@hotmail.com
This research aims to investigate the effect of organic additives on the properties of hydraulic lime mortars, primarily focusing on water absorption properties and freeze-thaw durability. Four organic additives are selected based on historical mortar recipes from different European sources dating back to the 17th, 18th and 19th century. These additives are linseed oil, egg white, ghee (Indian clarified butter) and oxblood. Basic hydraulic lime mortars have been gauged with the respective additives in different quantities. The analysis include open porosity, capillary water absorption, and effects of freeze-thaw tests. To gain insight on the effectiveness of the organic additives in mitigating freeze-thaw action due to less water absorption, these results are applied to assess the durability of the different mortars, which is physically tested in a freeze-thaw experiment. The use of ghee shows promising results.
© The Authors, published by EDP Sciences, 2024
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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