Abstract
Electrical conductivity measurements on cement composites containing carbon fibres or steel fibres were conducted. Percolation phenomena associated with electrical conductivity were observed. The conductivity of the systems studied increased by several orders of magnitude, at a specific concentration of conductive fibre, i.e. the percolation concentration. The percolation concentration is shown to be dependent on conductive fibre geometry instead of system composition. The results provide an important guide for the manufacture of conductive cement composites containing conductive fibres.
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Xie, P., Gu, P. & Beaudoin, J.J. Electrical percolation phenomena in cement composites containing conductive fibres. JOURNAL OF MATERIALS SCIENCE 31, 4093–4097 (1996). https://doi.org/10.1007/BF00352673
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DOI: https://doi.org/10.1007/BF00352673