| Issue |
MATEC Web of Conferences
Volume 6, 2013
Concrete Spalling due to Fire Exposure: Proceedings of the 3rd International Workshop
|
|
|---|---|---|
| Article Number | 03004 | |
| Number of page(s) | 8 | |
| Section | Moisture, Pore Pressure and Innovative Technics | |
| DOI | https://doi.org/10.1051/matecconf/20130603004 | |
| Published online | 17 September 2013 | |
Neutron radiography of heated high-performance mortar
1 Empa, Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
2 Paul Scherrer Institut, 5232 Villigen PSI, Switzerland
3 Institute for Building Materials (IfB), ETH, 8093 Zurich, Switzerland
Neutron radiography was applied to investigate the water distribution in mortar samples heated from one side to 600 °C. In mortar, aggregates and anhydrous cement are almost transparent to neutrons, while hydration products and water-filled capillary pores bear the largest attenuation. The evolution of the moisture profile shows a sharp dehydration front and accumulation of water due to condensation of water vapor behind this front.
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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