Civil Engineering Reference
In-Depth Information
Figure 9.2 Schematic showing the combined effect of hydroxyl ion generation at
the steel and ingressing alkali solution combining to restore alkalinity in concrete
(graphic courtesy of Martech Technical Services Ltd).
Figure 9.3 Sprayed paper system over mesh anode for realkalisation. The system uses
a piped irrigation system to feed alkaline solution into the paper, while the anode and
the reinforcement, acting as a cathode, are energised by a DC transformer rectifier.
 
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