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Report of concrete pavement evaluation : project 105 C-4181-01 Donahoo Road, Wyandotte County.

File Language:
English


Details

  • Creators:
    Distlehorst, Jennifer
  • Corporate Creators:
    Kansas. Dept. of Transportation. Bureau of Materials & Research
  • Subject/TRT Terms:
  • Publication/ Report Number:
    KS-13-4
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    Kansas
  • Corporate Publisher:
    Kansas. Dept. of Transportation. Bureau of Materials & Research
  • Abstract:
    The physical properties of hardened concrete cores and fresh concrete test results were compared with aggregate ; gradation workability differences. The concrete cores were taken from a rural two-lane concrete road in northeastern Kansas ; constructed in 2011. The aggregates were crushed granite and local river sand. The aggregate workability was compared to a ; target workability for a given aggregate coarseness factor to determine the workability difference. ; The workability difference was compared to the total percent air, air void spacing factor, the rapid chloride permeability, ; the percent permeable voids and the strength of concrete cores obtained in January 2013. The results of concrete tests performed ; during construction, including compressive strength of cores, slump, total air content and unit weight were also compared to the ; workability difference. ; The only statistically significant difference in the hardened concrete properties between the lowest workability difference ; concrete and the highest workability difference concrete was in compressive strength. This effect was observed in samples cored ; and tested at the time of construction, but not in those cored and tested later. A correlation may exist between workability ; difference and total air content. The variability of both strength and air content may also increase with increasing workability ; difference.
  • Format:
    PDF
  • Download URL:
    https://rosap.ntl.bts.gov/view/dot/20500/dot_20500_DS1.pdf
  • File Type:
    Filetype[PDF - 812.75 KB]
  • Collection(s):
    US Transportation Collection
  • Main Document Checksum:
    urn:sha-512:0a6f671f59674b06433db29421760ec75b07dfc16ce245aafca86d32c82fca3f82966ab503b64f5b1a69aff50603b647817df56a15aa9499176fcbb432200c3b
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