Abstract
In this work, we present a novel, geopolymer temperature-sensing patch which can be heated using induction and used to infer thermal conductivity of the surrounding medium. The sensor patches, applied to concrete specimens, were fabricated by loading a geopolymer binder with 0 - 60 wt% ground magnetite. The magnetite content allowed the patches to be heated using an induction coil, while temperature profiles were monitored via changes in patch electrical impedance. Sensor patches were left uncoated, or were coated in surface-water, soil and sand. Each material provided a unique thermal signature which, with simple signal processing, could be used to reliably detect whether the patch was buried.
| Original language | English |
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| Title of host publication | Environment, Efficiency and Economic Challenges for Concrete |
| Subtitle of host publication | Proceedings |
| Place of Publication | Dundee |
| Number of pages | 9 |
| Publication status | Published - 4 Jun 2016 |
| Event | 9th International Concrete Conference 2016: Environment, Efficiency and Economic Challenges for Concrete - University of Dundee, Dundee , United Kingdom Duration: 4 Jul 2016 → 6 Jul 2016 http://www.ctucongress.co.uk |
Conference
| Conference | 9th International Concrete Conference 2016 |
|---|---|
| Abbreviated title | CTU Congress |
| Country/Territory | United Kingdom |
| City | Dundee |
| Period | 4/07/16 → 6/07/16 |
| Internet address |
Keywords
- geopolymer
- sensors
- thermal
- conductivity
- deburial