| 摘要 |
In a method for realkalising and dechlorinating corroded areas of reinforcement steel in concrete and masonry electrochemically, the anode is composed of a preformed permeable synthetic material e.g. a sponge impregnated with alkaline metal salts in solution to which has been added a setting agent to form a gel and upon which is superimposed an electrically conductive material eg. conductive paint or metal mesh. The anode can be preformed and placed in situ on the surface of the affected concrete.
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