AE monitoring of 3D textile reinforced cements

Author(s): M. El Kadi, E. Tsangouri, S. Verbruggen, J. Vervloet, M. De Munck, J. Wastiels, D. Van Hemelrijcka, T. Tysmans
Paper category: Proceedings
Book title: Proceedings of the 2nd International RILEM/COST Conference on Early Age Cracking and Serviceability in Cement-based Materials and Structures Volume 1
Editor(s): Stéphanie Staquet and Dimitrios Aggelis
ISBN:978-2-35158-199-5
e-ISBN:978-2-35158-198-8
Publisher: RILEM Publications SARL
Publication year: 2017
Pages: 167-172
Total Pages: 6
Language : English

Abstract: Recently, the textile reinforced cement (TRC) industry has started shifting towards the use of 3D fibre textiles. These 3D TRC’s have a high probability to be absorbed into today’s commercial practice since their manufacturing technique is more closely related to the manufacturing of reinforced concrete elements compared to 2D TRC’s. The considered TRC in this paper is a combination of a 3D AR-glass fibre spacer fabric with a commercially available, pourable cement. This work focuses on the classification of the different loading stages of 3D TRC’s by means of acoustic emission (AE). The elastic response, multiple cracking and debonding stages are classified in tension tests. The failure mechanisms at the clamps will be filtered out of the AE signal by means of a location filter. In a last step the mechanism of debonding between fibres and matrix that occurs at the failure stage will be investigated and its AE signal analysed. The main goal of this research is to prove the feasibility of an AE analysis on 3D TRC’s and to investigate to what extent this analysis differs compared to 2D TRC’s.

Online publication : 2017
Publication type : full_text
Public price (Euros) : 0.00