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Evaluating the effects of concrete pavement curling and warping on ride quality.

File Language:
English


Details

  • Creators:
    Merritt, David K. ; Chang, George K. ; Torres, Helga N. ; Mohanraj, Kiran ; Rasmussen, Robert O.
  • Corporate Creators:
    Transtec Group, Inc.
  • Corporate Contributors:
    United States. Federal Highway Administration
  • Subject/TRT Terms:
  • Publication/ Report Number:
    CDOT-2015-07
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    Colorado
  • Corporate Publisher:
    Colorado. Dept. of Transportation. Applied Research and Innovation Branch
  • Abstract:
    Construction of a jointed concrete pavement on US 34 near Greeley, Colorado in 2012 led to an investigation of slab curling ; and warping that appeared to be contributing to undesirable levels of pavement roughness. Specifically, the westbound lanes ; that were constructed in July appeared to exhibit significantly higher roughness than the eastbound lanes that were constructed ; in September. Furthermore, smoothness testing by the contractor at three different times of the day on one of the westbound ; lanes revealed significant differences in roughness values depending on the time of day. In response, CDOT initiated the ; investigation under this study to determine the effects of slab curling and warping on ride quality for the US 34 project with ; the expectation that the findings from this study can also be applied to jointed concrete pavement projects in general. The ; outcomes of this study are recommendations for improvements in construction practices to help minimize the effects of ; curling and warping on jointed concrete pavement ride quality as well as recommendations for the collection of ride quality ; data for acceptance. ; Implementation ; Implementation recommendations include potential modifications to concrete pavement construction practices and/or ; specifications, particularly for hot weather paving, as well as recommendations for modifications to the collection of ; pavement smoothness acceptance data for jointed concrete pavements. The recommendations for smoothness acceptance data ; collection can be implemented on pilot projects or as shadow specifications in the coming construction seasons. After each ; construction season, the recommended procedures can be further evaluated before being included in the Standard ; Specifications. Recommendations for construction practices/specifications are less substantial and may only require minor ; modifications to standard practices and specifications.
  • Format:
    PDF
  • Funding:
    414.02
  • Download URL:
    https://rosap.ntl.bts.gov/view/dot/29470/dot_29470_DS1.pdf
  • File Type:
    Filetype[PDF - 3.02 MB]
  • Collection(s):
    US Transportation Collection
  • Main Document Checksum:
    urn:sha256:fde6861a924028bd0411d22ddbb10dfac754aaf453388602c624172785fae942
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