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Abstract
The influence of fibre and moisture content on the electrical properties of cement-based sensors (cement mortars incorporating milled carbon fibres) with a percolation zone from 0.55 to 1.29 vol. % has been studied. Under drying conditions, cement-based sensors produced more stable electrical behaviour than plain mortars. Two-point AC impedance measurement was employed to study the dielectric polarizability and bulk conductivity of cement-based sensors, which were both found to be enhanced upon fibre inclusion, and the enhancement of conductivity became more pronounced towards higher frequencies. We propose the characteristic bulk conductivity can be obtained at 100 kHz for cement-based sensors.
| Original language | English |
|---|---|
| Pages | 1-5 |
| Number of pages | 5 |
| Publication status | Published - 4 Sept 2020 |
| Event | 74th Annual RILEM Week & 40th Cement and Concrete Science Conference - University of Sheffield, Sheffield, UK United Kingdom Duration: 31 Aug 2020 → 4 Sept 2020 https://www.sheffield.ac.uk/materials/rilem2020 |
Conference
| Conference | 74th Annual RILEM Week & 40th Cement and Concrete Science Conference |
|---|---|
| Country/Territory | UK United Kingdom |
| City | Sheffield |
| Period | 31/08/20 → 4/09/20 |
| Internet address |
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RM4L - Resilient Materials for Life
Paine, K. (PI), Ball, R. (CoI), Gebhard, S. (CoI), Heath, A. (CoI), Tan, L. (Researcher) & Tzoura, E. (Researcher)
Engineering and Physical Sciences Research Council
3/04/17 → 2/10/22
Project: Research council