3D Textile Reinforced Cement (TRC) composites with integrated synthetic microfibres: Evaluation of mechanical response and crack formation in bending

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Abstract

This study explores the integration of short synthetic microfibres into 3D Textile Reinforced Cement (3D TRC) composites to achieve enhanced flexural capacity and improved crack control. The homogeneous distribution of microfibres within 3D TRCs was a challenge unaddressed in the current state of the art. The influence of the added microfibres on the bending behaviour and crack formation of the 3D TRCs was evaluated, along with the effect of crucial parameters such as the microfibre type (PP/PVA), length (3 mm/6 mm/8 mm) and content (0.5 %/0.7 %/1.0 %). Microfibre-enhanced 3D TRCs demonstrated a higher ultimate load and post-cracking stiffness, as well as more and narrower cracks.
Original languageEnglish
Article number136120
Number of pages12
JournalConstruction and Building Materials
Volume426
Early online date12 Apr 2024
DOIs
Publication statusPublished - 3 May 2024

Bibliographical note

Funding Information:
This work was supported by the Research Foundation-Flanders (FWO-Vlaanderen) [grant number G030721N]. The authors wish to thank the companies Adfil (Belgium), Kuraray (Japan) and Redco (Belgium) for providing the short fibres used in this research, as well as BauMineral GmbH (Germany) for providing the fly ash (Microsit) and BASF (Netherlands) for providing the superplasticizer (MasterGlenium 51).

Publisher Copyright:
© 2024 Elsevier Ltd

Keywords

  • Textile Reinforced Cement (TRC) composites
  • 3D textiles
  • Polypropylene (PP) fibres
  • Polyvinyl alcohol (PVA) fibres
  • Four-point bending
  • Crack formation
  • Digital Image Correlation (DIC)

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