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Evaluation of fly ash concrete durability containing class II durability aggregates.
  • Published Date:
    1986-07-01
  • Language:
    English
Filetype[PDF-928.81 KB]


Details:
  • Publication/ Report Number:
    MLR-85-8
  • Resource Type:
  • Geographical Coverage:
  • OCLC Number:
    756773056
  • NTL Classification:
    NTL-HIGHWAY/ROAD TRANSPORTATION-Materials ; NTL-HIGHWAY/ROAD TRANSPORTATION-Pavement Management and Performance
  • Format:
  • Abstract:
    Fly ash was used in this evaluation study to replace 15% of the cement in

    Class C-3 concrete paving mixes. One Class "c" ash from Iowa approved

    sources was examined in each mix. Substitution rate was based on 1 to 1

    basis, for each pound of cement removed 1.0 pound of ash was added.

    The freeze/thaw durability of the concrete studied was not adversely affected

    by the presence of fly ash. This study reveals that the durability

    of the concrete test specimens made with Class II durability

    aggregates was slightly increased in all cases by the substitution of cement

    with 15% Class "c" fly ash.

    In all cases durability factors either remained the same or slightly improved

    except for one case where the durability factor decreased from 36

    to 34. The expansion decreased in all cases.

  • Supporting Files:
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