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)

For more information, contact:

Joseph F. Rovani, Jr.
Project Coordinator
Manager of Analytical
Asphalt and Petroleum Technologies
(307) 721-2275

Western Research Institute
3474 N. 3rd Street
Laramie, WY 82072

(307) 721-2011
(888) 463-6974 or (888) Info-WRI

You can contact WRI directly by phone (8 a.m. – 5 p.m. MST, Monday-Friday) at the numbers above.
Also, you are welcome to contact the appropriate WRI representative directly.

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