Slurry Seal
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Pre-Construction Testing

Performing a mix design is crucial to the success of your project. The following tests are applicable when performing a mix design, refer to ISSA A105 for the below Recommended Guideline values.

AGGREGATE

Sand Equivalency     AASHTO T176/ASTM D2149     Required    
Soundness of Aggregate AASHTO T104/ASTM C88 Recommended

LA Abrasion

AASHTO T96/ASTM C131 Recommended
Gradation AASHTO T27/ASTM C136 Required 
Gradation AASHTO T11/ASTM C117 Required 
Bulking Effect AASHTO T19/ASTM C29 Optional

ASPHALT EMULSION

Standard Anionic Specification AASHTO M140/ASTM D977 Waive cement mix test.
Standard Cationic Specification AASHTO M208/ASTM 2397 Waive cement mix test.

 

MIXTURE

Mix Time ISSA TB 113 Required
Consistency ISSA TB 106 Required for slow set slurry seal, not appropriate for quick set slurry seal.
Wet Cohesion ISSA TB 139 Required
Wet Stripping ISSA TB 114 Optional
Wet Track Abrasion Loss ISSA TB 100 Required
Excess Asphalt by Loaded Wheel Test Sand Adhesion ISSA TB 109 Required

Construction Testing

Periodic Checks of the application rate Recommended
Sampling and testing of the mix as it is discharged from the paver to check asphalt content Recommended

Post-Construction Testing