• Effect of electric current on porosity of concrete 

      Autor: Ňachaj, Daniel; Němeček, Jiří; Kouřil, Milan; Keppert, Martin; Němeček, Jiří
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      The paper describes the influence of electric current on the porosity of concrete samples after electrically accelerated tests and other electrokinetic treatments. Three different concrete mixtures consisting of CEM I ...
    • Measurement and evaluation of cement paste porosity by electrochemical impedance spectroscopy 

      Autor: Chalupová, Jana; Němeček, Jiří; Hybášek, Vojtěch; Pommer, Vojtěch; Němeček, Jiří
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      Porosity is an important part of cement paste microstructure, which significantly influences the mechanical properties (especially durability and strength) of cement-based materials. Electrochemical impedance spectroscopy ...