... walkways has been made. On removing the paving stones and sand fill, small localized patches (area 10-100 cmz) of red stained concrete surface were discovered. Beneaththese, severe localized corrosion of the reinforcing bars was identified very similar to that observed on the Haddiscoe Bridge (Fig. 4...

... to establish areas needing repair, and the remedial works carried out. The use of a half cell potential test to detect possible corrosion of the reinforcement is reported and the factors influencing the susceptibility of bridge decks to attack by chloride salts are discussed. Introduction Haddiscoe Bridge (Fig...