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Development and Use of Ultra-High-Performance Concrete (UHPC) as a High Friction Surface Treatment (HFST) on Pavements and Bridges

File Language:
English


Details

  • Creators:
  • Corporate Creators:
    Clemson University. Department of Civil Engineering
  • Corporate Contributors:
  • Subject/TRT Terms:
  • Publication/ Report Number:
    FHWA-SC-25-02
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    United States
  • Edition:
    Final Report
  • Corporate Publisher:
    South Carolina. Department of Transportation
  • Abstract:
    High Friction Surface Treatments (HFST) are proven crash reduction technology. However, their high cost necessitates exploring the use of alternative materials. This study assessed the design and application of Ultra-High-Performance Concrete (UHPC) as an alternative to traditional epoxy resin-based binder for HFST. In addition, the use of local alternative aggregates with low abrasion loss was explored as an alternative to the traditional calcined bauxite as an HFST component. Various methods for applying UHPC-based HFST were also evaluated, including the use of intermixing HFST aggregate and exposing aggregate texture with surface retarders or broadcasting HFST aggregate in a similar fashion to traditional HFST methods with and without vibration. The Mean Profile Depth (MPD) and friction (British Pendulum Test and Dynamic Friction Tester) produced from UHPC-based HFST and the performance of the surfaces under polishing by the Three Wheel Polishing Device (TWPD) were also evaluated. While the traditional make-up of epoxy resin with calcined bauxite aggregate exhibited the best performance in testing, both with concrete and asphalt substrates, UHPC based HFST samples were also able to produce adequate friction and texture and maintain performance under polishing such that they could be considered feasible alternatives to traditional resin based HFST surfaces, particularly on concrete substrates. The use of local alternative aggregates as HFST aggregate failed to perform at the same level as calcined bauxite and is not recommended for long-term frictional performance. UHPC, using surface retarders to expose calcined bauxite HFST aggregate, is a viable alternative to traditional resin-based HFST materials. Field evaluation of UHPC-based HFST is recommended for future implementation.
  • Format:
    PDF
  • Funding:
    762
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:1e48c841014be690050192c2f6d9e5d13bfb512a3d1db0dfca401b61036f553723711710f6f2bf4ce06e088f4b186a2a3fe598f4b53a74244bdb9e9608f9cc65
  • Download URL:
  • File Type:
    Filetype[PDF - 6.60 MB ]
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