Overview of Fine Milling in Road Maintenance

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Fine milling, led by Josh Hornbeck, is a critical process in road maintenance aimed at removing deteriorated pavement, maintaining elevation, keying into existing pavement structures, and improving skid numbers. This involves texture adjustment, profile enhancement, and removal of rutting to ensure a good bond with existing pavements. Machine specifications, maintenance, and performance measurements are essential elements discussed in the detailed presentation.


Uploaded on Oct 11, 2024 | 2 Views


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Presentation Transcript


  1. Fine Milling Josh Hornbeck

  2. Reasons For Milling Remove deteriorated pavement Maintain existing elevation at curbs Keying into existing pavement / bridge ends Remove rutting in existing pavement Texture existing pavement to provide good bond Improve profile / IRI Improve skid numbers

  3. Machine Specification Minimum tooth spacing

  4. Machine Specification Minimum drum RPM Maximum machine speed Limit machine speed based on drum RPM

  5. Machine Specification Minimum drum RPM Maximum machine speed Limit machine speed based on drum RPM

  6. Maintenance

  7. Maintenance

  8. Performance Specification

  9. Performance Specification Macrotexture Measurement

  10. Special Note For Fine Milling

  11. Special Note For Fine Milling Macrotexture measurement 9.5 or greater Grade averaging minimum 3 sensors minimum 20 spacing Payment by square yards

  12. Cost Comparison

  13. Production

  14. Questions?

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