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Mechanistic-empirical design concepts for continuously reinforced concrete pavements in Illinois.

File Language:
English


Details

  • Creators:
    Beyer, Matthew ; Roesler, Jeffery
  • Corporate Creators:
    Illinois Center for Transportation
  • Corporate Contributors:
    Illinois. Department of Transportation. Bureau of Materials and Physical Research
  • Subject/TRT Terms:
  • Publication/ Report Number:
    FHWA-ICT-09-040 ; ICT-09-040, UILU-ENG-2009-2011
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    Illinois
  • Edition:
    Final report, July 2005-Dec. 2008
  • Corporate Publisher:
    Illinois Center for Transportation
  • Abstract:
    The Illinois Department of Transportation (IDOT) currently has an existing jointed plain concrete pavement ; (JPCP) design based on mechanistic-empirical (M-E) principles. However, their continuously reinforced concrete ; pavement (CRCP) design procedure is empirical and based on a modified AASHTO nomograph for jointed ; reinforced concrete pavement. The objective of this study was to develop and implement an M-E design ; procedure that IDOT could use for routine CRCP design. The proposed procedure is based on mechanisticempirical ; design principles taken largely from the models presented in NCHRP 1-37A and on work completed by ; Dr. Dan Zollinger of Texas A&M University. The equations for calculating the mean crack spacing and the ; number of punchouts per mile at the end of the design life for a given traffic volume, pavement layer and CRC ; slab geometry, shoulder type, and layer material properties have been implemented in a user-friendly ; spreadsheet. Several new developments in the proposed design process are fatigue damage accumulations at ; the critical top and bottom location in the CRCP slab, equations for calculating the equivalent damage ratio for ; several shoulder types and crack stiffness values, application of a strength reduction factor to the concrete ; stress ratio calculated at the surface of the CRCP, and a new logistic-type punchout prediction model. Due to ; the numerous measured and assumed input variables in this CRCP design framework, the mechanistic analysis ; was calibrated against CRCP field performance data from Illinois and CRCP accelerated pavement test data ; completed at the University of Illinois.
  • Format:
    PDF
  • Funding:
    ICT-R57
  • Download URL:
    https://rosap.ntl.bts.gov/view/dot/16716/dot_16716_DS1.pdf
  • File Type:
    Filetype[PDF - 655.94 KB]
  • Collection(s):
    US Transportation Collection
  • Main Document Checksum:
    urn:sha256:93d48748fa8f18cdbfce99211ffb3984a58bfb02f8a3985752f383af39305cb2
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