The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

The InfraTest Asphalt Analyzer provides an automated and enclosed method of performing solvent extractions to verify asphalt content on bituminous mixture, and rubber-modified bituminous mixtures, ...

Warm mix asphalt (WMA) continues to gain momentum in the industry. As a result, tests are continuously being completed throughout the country to monitor the results of WMA compared to hot mix asphalt.

Asphalt mix design equipment: Includes Superpave gyratory, Hveem and Marshall Compactors. Stabilometers and Marshall Press. Asphalt mixture performance tester (AMPT): Measures mechanical properties of ...

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Excelsior Boulevard becomes laboratory for asphalt testing Hennepin County and Cargill are paving a short section of the road to test a new mixture of recycled asphalt.

Explore the improvements coming to Weld County's road infrastructure with a new, expanded soils lab for asphalt testing.

LAS VEGAS, Nev. (FOX5) - Engineers with the Nevada Department of Transportation say Las Vegas is one of the few cities in the entire country that has to use a special kind of asphalt called PG76, that ...