MATEC Web Conf.
Volume 361, 2022Concrete Solutions 2022 – 8th International Conference on Concrete Repair, Durability & Technology
|Number of page(s)||4|
|Section||Theme 5 - Concrete and Admixture Technology|
|Published online||30 June 2022|
Research upon self-sealing of fibre reinforced mortar with integral crystalline waterproofing admixtures
1 Technical University of Cluj-Napoca, Civil Engineering Faculty, 400020, C-tin Daicoviciu 15, Cluj-Napoca, Romania
2 N.I.R.D. URBAN-INCERC, Cluj-Napoca Branch, 400524, Calea Florești 117, Cluj-Napoca, Romania
* Corresponding author: firstname.lastname@example.org
The paper presents results of an experimental research made upon the self-sealing of a fibre reinforced mortar with an integral crystalline waterproofing admixture in a dosage rate of 1-3 % of the cement mass. Samples were pre-loaded in three point bending up to 90 % of the ultimate capacity and conditioned in wet-dry cycles. Micro-cracks width was measured with a microscope after pre-loading, and up to 20 days. The results show that the 3 % admixture content presents the superior self-sealing performance both in the terms of the self-sealing degree and self-sealing rate. According to the results, lower contents of crystal-line admixture cannot predict a desirable self-sealing target, despite the fact that the self-sealing potential/ability is indisputable and may take longer periods.
© The Authors, published by EDP Sciences, 2022
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