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Reduction of minimum required weight of cementitious materials in WisDOT concrete mixes.

File Language:
English


Details

  • Creators:
  • Corporate Creators:
    Michigan Tech Transportation Institute
  • Corporate Contributors:
    Wisconsin. Dept. of Transportation
  • Subject/TRT Terms:
  • Publication/ Report Number:
    WHRP 11-08
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    Wisconsin
  • Corporate Publisher:
    Wisconsin. Dept. of Transportation
  • Abstract:
    "This project was designed to explore the feasibility of lowering the cementitious materials content

    (CMC) used in Wisconsin concrete pavement construction. The cementitious materials studied included

    portland cement, fly ash, and ground granulated blast furnace slag. For the first phase, mixtures were

    prepared using the current WisDOT aggregate grading specification. For the second phase, mixtures

    were prepared using an optimized (e.g. Shilstone) gradation. A variety of tests for fresh and hardened

    concrete were conducted to determine the viability of low CMC mixtures for use in concrete pavement.

    The research resulted in several successful low CMC concrete mixtures in terms of workability,

    strength, and durability. Many unsuccessful low CMC concrete mixtures were also produced. The

    analysis of the data suggests a practical minimum CMC of 5.0 sacks/yd3 for concrete. However,

    successful mixtures containing fly ash were achieved at the CMC levels of 4.0 sacks/yd3 and 4.5

    sacks/yd3. The same minimum CMC limits were established in both the first and second phases of the

    research, regardless of the change in aggregate gradation."

  • Format:
    PDF
  • Funding:
    WisDOT SPR# 0092-08-08
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:37ce257923589193d5f004e32da0fce1518e89ead387e3dbc382c631aa1de79137f6226a73aa7316d4efc9e5048a1d26842fee035a6090adf73236a5b5afe499
  • Download URL:
  • File Type:
    Filetype[PDF - 6.86 MB ]
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