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Rheology and Mechanical Properties of Different Geopolymer Composites

  • J. Archez
  • , N. Texier-Mandoki
  • , X. Bourbon
  • , J. F. Caron
  • , S. Rossignol
  • University of Limoges
  • Andra
  • CNRS

Résultats de recherche: Le chapitre dans un livre, un rapport, une anthologie ou une collectionContribution à une conférenceRevue par des pairs

Résumé

This work aims to study the influence of the shaping process on the mechanical properties of geopolymer composites reinforced with glass fibers and wollastonite. To this end, the synthesis feasibility of two geopolymer composite formulations was first determined. The influence of casting, extrusion and robocasting on mechanical properties was then studied with compressive and three-points bending tests and microstructural analysis. The results showed that the casting process is preferable to be used for low viscosity geopolymer composite while robocasting is more appropriate for geopolymer composite with high viscosity. The extruded and cast samples exhibit similar compressive data's. The microstructural analysis showed that the robocasting process orients the fibers in the printing direction with an undefined interlayer. The casting process leads to a homogeneous material while the robocasting process conducts to an anisotropic material.

langue originaleAnglais
titre11th ACI/RILEM International Conference on Cementitious Materials and Alternative Binders for Sustainable Concrete, ICCM 2021
rédacteurs en chefArezki Tagnit-Hamou
EditeurAmerican Concrete Institute
Pages274-279
Nombre de pages6
ISBN (Electronique)9781641951395
étatPublié - 28 avr. 2021
Evénement11th ACI/RILEM International Conference on Cementitious Materials and Alternative Binders for Sustainable Concrete, ICCM 2021 - Virtual, Online
Durée: 7 juin 202110 juin 2021

Série de publications

NomAmerican Concrete Institute, ACI Special Publication
VolumeSP-349
ISSN (imprimé)0193-2527

Une conférence

Une conférence11th ACI/RILEM International Conference on Cementitious Materials and Alternative Binders for Sustainable Concrete, ICCM 2021
La villeVirtual, Online
période7/06/2110/06/21

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