Delaminations in Concrete Bridge Deck with Asphalt Overlay, New York State, USA
Problem: Delaminations due to corrosion of reinforcing steel in 200 mm thick concrete deck with 100 mm asphalt overlay.
Results: Impact-Echo identified extensive areas of delamination at top layer of reinforcing steel.
Verification: Cores.
Outcome: Concrete deck repaired and new asphalt overlay applied.
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