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Dielectric properties of cement mortar as a function of water content

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Author

Summary, in English

We have studied the dielectric properties of cement mortars, with water/cement ratios between 0.5 and 0.78, in the frequency range 10−3≤f≤107 Hz. The dielectric response can be modeled by an equivalent circuit incorporating electrode polarization and bulk conduction. The bulk dc conductance and the amplitude of a constant phase element describing the dispersive part of the bulk response display characteristic dependencies on the water content of the samples. The power-law exponent of the constant phase element is independent of water content and can be related to the fractal dimension of the pore surfaces

Publishing year

1992

Language

English

Pages

93-96

Publication/Series

Applied Physics Reviews

Volume

71

Issue

12

Document type

Journal article

Publisher

American Institute of Physics (AIP)

Topic

  • Materials Engineering

Keywords

  • RESPONSE FUNCTIONS
  • ELECTRIC CONDUCTIVITY
  • FRACTALS
  • MORTARS
  • EQUIVALENT CIRCUITS
  • DIELECTRIC PROPERTIES
  • WATER
  • CEMENTS

Status

Published

ISBN/ISSN/Other

  • ISSN: 1931-9401