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American Association of State and Highway Transportation Officials, 2022
Publisher: AASHTO
File Format: PDF
$43.00$86.00
Pages:8
File Size:1 file , 390 KB
Note:This product is unavailable in Ukraine, Russia, Belarus
This standard 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.
This standard was formerly designated as provisional practice PP 91.
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