Bleeding (roads)

Bleeding or flushing is shiny, black surface film of asphalt on the road surface caused by upward movement of asphalt in the pavement surface.[1][2] Common causes of bleeding are too much asphalt in asphalt concrete, hot weather, low space air void content and quality of asphalt.[3]

Bleeding is a safety concern since it results in a very smooth surface, without the texture required to prevent hydroplaning.

See also

References

  1. ↑ "Bleeding - Pavement Interactive".
  2. ↑ "Archived copy" (PDF). Archived from the original (PDF) on 2014-01-07. Retrieved 2014-01-07.
  3. ↑ "Archived copy". Archived from the original on 2013-10-29. Retrieved 2013-09-14.
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