Minnesota's weather — extreme summer heat and brutal winter cold — can do a number on asphalt roads, causing stiff and brittle surfaces to crack and break apart. Minnetonka-based Cargill and Hennepin ...

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 ...

Laboratories testing asphalt, a key ingredient in surfacing roads, have been falsifying results of mixtures made at plants to inflate their apparent quality. The manipulation of figures can affect ...

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The Roughometer II can be used to assess paved and unpaved roads by providing objective and repeatable data regarding the actual roughness level of the surface. Easily mounted to almost any vehicle ...