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Cold in-place recycle phase III, supplemental - field protocol : short term field stability.

File Language:
English


Details

  • Creators:
    VanFrank, Kevin
  • Corporate Creators:
    Construction Management Engineering Transportation Group (CMETG)
  • Subject/TRT Terms:
  • Publication/ Report Number:
    UT-15.08
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    Utah
  • Corporate Publisher:
    Utah. Dept. of Transportation. Research Division
  • Abstract:
    CIR has become a useful tool in pavement rehabilitation due to cost savings. UDOT wishes to ; improve the reliability of the process as well as improve the final outcome. A balance is achieved ; between fracture durability and rutting resistance by controlling void content and added emulsion. This ; balance is well reflected in the current mix design method but has proven difficult to achieve in the field. ; Observation of field methods has pointed toward modifications to the mix design procedure as well as ; to tests providing same-day feedback to the CIR process. ; SR 32 is the second field project where a variety of tests were used to control the process ; consistency and quality as well as the release to traffic conditions. The Dynamic Cone Penetrometer ; (DCP) along with the Shear Vane test are further validated and a new test protocol using the Marshall ; Hammer is developed. Recommendations for test thresholds are made. ; Recommendations are made for control of both longitudinal and lateral density. Roller patterns ; are recommended. Emulsion break temperatures are evaluated leading to best compaction practices. ; Recognition of system sensitivity to temperature results in proposed changes to the mix design ; procedures. Specification changes are recommended with respect to the pickup machine and paver.
  • Format:
    PDF
  • Download URL:
    https://rosap.ntl.bts.gov/view/dot/29581/dot_29581_DS1.pdf
  • File Type:
    Filetype[PDF - 1.47 MB]
  • Collection(s):
    US Transportation Collection
  • Main Document Checksum:
    urn:sha256:2cbdffe6cf60a1ef1a93c5c2617fcabfaca579aef74ef0ceb87b049860ad56bd
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