Concrete Bridge Deck Performance (2004) / Chapter Skim
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Pages 15-18
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From page 15... ...
15 CHAPTER THREE REINFORCEMENT MATERIALS Until the 1960s, reinforced concrete bridges performed reasonably well, with delaminations and spalling caused by corrosion limited to structures exposed to salt in coastal areas. With the increased use of deicing salts in the 1960s, the amount of corrosion began to increase.
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From page 16... ...
16 jor bridges began to show signs of corrosion in the splash zone of piers. Upon examination, the coatings were observed to have disbonded from the reinforcement (Manning 1996)
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17 normal construction practices. Inspection of the bars on delivery resulted in approximately 20% being rejected.
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From page 18... ...
18 Responses to the questionnaire for this synthesis indicated that 10 respondents had used FRP reinforcement. Idaho used it in a latex-modified concrete overlay and performance to date has been satisfactory.
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