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Modeling reinforced concrete durability : [summary].
  • Published Date:
    2014-06-01
  • Language:
    English
Filetype[PDF-857.66 KB]


Details:
  • Corporate Creators:
  • Publication/ Report Number:
    BDK84-977-09
  • Resource Type:
  • Geographical Coverage:
  • Format:
  • Abstract:
    Many Florida bridges are built of steel-reinforced concrete. Florida’s humid and marine

    environments subject steel in these structures

    to corrosion once water and salt penetrate the

    concrete and contact the steel. Corroded steel

    takes up more space than the original steel,

    resulting in cracked and spalling concrete which

    further exposes the steel, and requires expensive

    repairs and corrosion control techniques.

    The Florida Department of Transportation

    (FDOT) has responded with corrosion prevention

    practices, such as very low permeability concrete

    and increased concrete cover thickness over

    reinforcing steel. This increases initial cost but

    saves money over time, since the bridge’s service

    life is significantly extended. So, it is important

    to understand how a specific design can increase

    service life for the specific environment in which

    the bridge will be built.

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