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EFFECT OF SALT ON REINFORCED CONCRETE HIGHWAY BRIDGES AND PAVEMENTS

J N Hall, S P Lahue, P E Cunningham, J. D. Shackelford

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Abstract

THE DETERIORATION OF BRIDGE DECK CONCRETE HAS CAUSED SERIOUS CONCERN AMONG HIGHWAY ENGINEERS FOR SEVERAL YEARS. CONSIDERABLE RESEARCH HAS BEEN UNDERTAKEN TO DETERMINE THE CAUSES FOR THIS DETERIORATION. IT IS GENERALLY AGREED THAT SURFACE SPALLING IS THE MOST SERIOUS AND ANNOYING TYPE OF DISTRESS FOUND IN BRIDGE DECKS. SEVERAL RECENT RESEARCH REPORTS INDICATE THAT CORROSION OF REINFORCING STEEL IS OFTEN A FACTOR IN THE OCCURRENCE OF SURFACE SPALLS. THE VARIOUS FACTORS THAT MAY CONTRIBUTE TO CORROSION OF REINFORCEMENT ARE DISCUSSED. /AUTHOR/

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What this paper is about

THE DETERIORATION OF BRIDGE DECK CONCRETE HAS CAUSED SERIOUS CONCERN AMONG HIGHWAY ENGINEERS FOR SEVERAL YEARS. CONSIDERABLE RESEARCH HAS BEEN UNDERTAKEN TO DETERMINE THE CAUSES FOR THIS DETERIORATION. IT IS GENERALLY AGREED THAT SURFACE SPALLING IS THE MOST SERIOUS AND ANNOYING TYPE OF DISTRESS FOUND IN BRIDGE DECKS. SEVERAL RECENT RESEARCH REPORTS INDICATE THAT CORROSION OF REINFORCING STEEL IS OFTEN A FACTOR IN THE OCCURRENCE OF SURFACE SPALLS. THE VARIOUS FACTORS THAT MAY CONTRIBUTE TO CORROSION OF REINFORCEMENT ARE DISCUSSED. /AUTHOR/

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Available abstract

THE DETERIORATION OF BRIDGE DECK CONCRETE HAS CAUSED SERIOUS CONCERN AMONG HIGHWAY ENGINEERS FOR SEVERAL YEARS. CONSIDERABLE RESEARCH HAS BEEN UNDERTAKEN TO DETERMINE THE CAUSES FOR THIS DETERIORATION. IT IS GENERALLY AGREED THAT SURFACE SPALLING IS THE MOST SERIOUS AND ANNOYING TYPE OF DISTRESS FOUND IN BRIDGE DECKS. SEVERAL RECENT RESEARCH REPORTS INDICATE THAT CORROSION OF REINFORCING STEEL IS OFTEN A FACTOR IN THE OCCURRENCE OF SURFACE SPALLS. THE VARIOUS FACTORS THAT MAY CONTRIBUTE TO CORROSION OF REINFORCEMENT ARE DISCUSSED. /AUTHOR/

Key concepts: Spall, Bridge deck, Bridge (graph theory), Forensic engineering, Corrosion, Engineering, Road surface, Deck

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EFFECT OF SALT ON REINFORCED CONCRETE HIGHWAY BRIDGES AND PAVEMENTS — Research Paper | ScholarLens