Micro Surfacing Asphalt Treatment | RoadResource.org

Micro Surfacing

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Overview

Pre-Construction

Construction

Quality Assurance

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, please refer to ISSA A143 for the Recommended Guideline values.

AGGREGATE

Sand Equivalency	AASHTO T176/ASTM D2419	Required
Soundness of Aggregate	AASHTO T104/ASTM C88	Recommended
LA Abrasion	AASHTO T96/ASTM C131	Required for high traffic application, optional for leveling course/rut filling or low traffic application.
Gradation	AASHTO T27/ASTM C136	Required
Gradation	AASHTO T11/ASTM C117	Required if a washed gradation is required
Bulking Effect	AASHTO T19/ASTM C29	Optional

ASPHALT EMULSION

Settlement and Storage Stability	AASHTO T59/ASTM D6930	Waive 5 day Settlement; 24 hour storage stability recommended if not used in 72 hours
Distillation	AASHTO T59/ASTM D6997	Required
Softening Point	AASHTO T53/ASTM D36	Required unless Elastic Recovery is specified
Penetration	AASHTO T49/ASTM D5	Required

MIXTURE

Mix Time	ISSA TB 113	Required
Wet Cohesion	ISSA TB 139	Required
Wet Stripping	ISSA TB 114	Optional
Wet Track Abrasion Loss	ISSA TB 100	Required
Lateral Displacement	ISSA TB 147	Required
Excess Asphalt by Loaded Wheel Test Sand Adhesion	ISSA TB 109	Recommended
Classification Compatibility	ISSA TB 144	Optional, Recommended if boiling waived

Construction Testing

Post-Construction Testing