Preventing the Occurrence of Bumps in HMA Overlays

Status:  Complete
Report Date:  09/16/2010

Summary:

Researchers identified construction methods and materials for preventing the occurrence of bumps in hot-mix asphalt overlays, finding that best practices include using specified rolling techniques during warmer weather, low-modulus sealants, and narrow and shallow crack sealant reservoirs while avoiding overbanding.

Final Deliverables:

• Report #2010-31
• Technical Summary

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