• AASHTO PP 91-18

AASHTO PP 91-18

  • Standard Practice for Emulsified Asphalt Scrub Seal Design
  • standard by American Association of State and Highway Transporta
  • Category: AASHTO

$78.00 $39.00

AASHTO PP 91-18 practice determines application quantities for applying aggregate and emulsified asphalt for scrub seals.
A scrub seal is a four-step process in which the application of emulsified asphalt is followed immediately by a scrub broom to push the emulsion into the cracks in the pavement, followed with an application of a single layer of cover aggregate, and then rolled with a pneumatic tire compactor. There is the option of including a fog seal to help with chip retention.
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