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@ARTICLE{Leroy:864769,
      author       = {Leroy, Philippe and Hördt, Andreas and Gaboreau, Stéphane
                      and Zimmermann, Egon and Claret, Francis and Bücker,
                      Matthias and Stebner, Hermann and Huisman, Johan Alexander},
      title        = {{S}pectral induced polarization of low-p{H} cement and
                      concrete},
      journal      = {Cement and concrete composites},
      volume       = {104},
      issn         = {0958-9465},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science68442},
      reportid     = {FZJ-2019-04436},
      pages        = {103397},
      year         = {2019},
      abstract     = {Concrete is the most used material for civil and industrial
                      infrastructures. In the context of a geological disposal of
                      nuclear waste, concrete performance may be degraded when in
                      contact with the host formation. The ability to monitor the
                      changes of the concrete properties using the spectral
                      induced polarization (SIP) method is therefore of great
                      interest. In our study, SIP laboratory measurements in the
                      100 mHz to 45 kHz frequency range were carried out on
                      low-pH cement and concrete. These materials exhibited a very
                      high resistivity (mostly above 10 kΩ m) and a high
                      phase shift (mostly above 100 mrad) between measured
                      voltage and injected current. The complex resistivity
                      measurements were interpreted using electrochemical and
                      microstructural membrane and Maxwell-Wagner polarization
                      models. Relevant information on the mean pore size, pore
                      size distribution, and connected porosity was obtained from
                      SIP, opening up the possibility of using our approach to
                      monitor concrete stability in-situ.},
      cin          = {IBG-3 / ZEA-2},
      ddc          = {690},
      cid          = {I:(DE-Juel1)IBG-3-20101118 / I:(DE-Juel1)ZEA-2-20090406},
      pnm          = {255 - Terrestrial Systems: From Observation to Prediction
                      (POF3-255)},
      pid          = {G:(DE-HGF)POF3-255},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000501649500060},
      doi          = {10.1016/j.cemconcomp.2019.103397},
      url          = {https://juser.fz-juelich.de/record/864769},
}