I am using electrical resistivity tomography (ERT) method to analysis cacks in concrete
Use steel electrodes
Wael Fathi Galal i mean what is material between concrete surface and steel electrodes
Ok, tray using gel, medical gel, or any medical wax, or make the concrete surface wettable by adding few drops of water
Wael Fathi Galal, I tried Grouwt, but I have to try gel or Silica gel. Thanks for your answers.
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Nanotechnology in concrete materials
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