Application of 1H NMR to the Hydration Monitoring of Lime-Pozzolan Mortars

  • Maria Tziotziou
  • Eleni Karakosta
  • Ioannis Karatasios
  • Michalis Fardis
  • Pagona Maravelaki-Kalaitzaki
  • Georgios Papavassiliou
  • Vassilis Kilikoglou
Conference paper
Part of the RILEM Bookseries book series (RILEM, volume 7)

Abstract

The micro-structural evolution of a lime-pozzolan system, during hydration, was studied by 1H Nuclear Magnetic Resonance (NMR). The hydration process was monitored for a period of 1 year by 1H NMR spin-lattice relaxation measurements, performed in a portable magnet. The development of the hydration was also examined by scanning electron microscopy (SEM), X-ray diffraction (XRD), mercury intrusion porosimetry (MIP), infrared spectroscopy (FT-IR) and thermal analysis (DTA/TG) and compared with the NMR results. The results indicated that 1H NMR provides valuable information on the hydration process of lime-pozzolan mortars in a non-invasive way, as it was possible to monitor the development of the hydration phases through the resulted microstructure, in real-time.

Keywords

Nuclear Magnetic Resonance Hydration Process Mercury Intrusion Porosimetry Nuclear Magnetic Resonance Relaxometry Mercury Intrusion Porosimetry Measurement 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© RILEM 2012

Authors and Affiliations

  • Maria Tziotziou
    • 1
    • 2
  • Eleni Karakosta
    • 1
  • Ioannis Karatasios
    • 1
  • Michalis Fardis
    • 1
  • Pagona Maravelaki-Kalaitzaki
    • 2
  • Georgios Papavassiliou
    • 1
  • Vassilis Kilikoglou
    • 1
  1. 1.Institute of Materials ScienceNational Centre of Scientific Research “Demokritos”AthensGreece
  2. 2.Analytical and Environmental Chemistry LabTechnical University of CreteChaniaGreece

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