WRI has an asphalt mixture lab staffed by expert engineers and includes
Aggregate gradation test (sieve analysis)
Los Angeles abrasion test for coarse aggregate (AASHTO T 96 & ASTM C 131)
Asphalt concrete mixing from component materials
Asphalt mixture short-term and long-term aging studies
Superpave Gyratory Compactor (SGC) and preparation of mixture speciments for performance evaluation
Asphalt mixture volumetrics and Superpave mix-design
Hamburg Wheel Tracking Device (HWTD) and subcontracting various cracking tests for balanced mix-design
Binder micro-extraction and recovery from asphalt mixtures and determination of binder content.
Micro-sampling for forensic studies by small-scale drilling instead of taking typical 6" field cores
Binder Extraction and Recovery (both on 6 inch core and micro-scale)
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