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

Using the nuclear magnetic resonance (NMR) method, scientists have learned to noninvasively determine the composition of petroleum bitumen in half an hour in the core itself (sample). The technology ...

The two main problems that occur in asphalt concrete (tarmac) surfaces are that wheel ruts are formed when the material is too soft, or that the surface cracks when too hard. Climate Considerations In ...

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The scientists claim their technology can produce the type of asphalt binders with the ability to weather pavement cracking and rutting and shorten training time for operators to learn how to use ...

Over 500 million tons of HMA are placed in the United States each year so it's important that the material be properly sampled and tested during construction to ensure satisfactory performance. When ...

Several waterless extraction methods being piloted that use less energy, produce fewer emissions EDMONTON—Oilsands producers have been under siege for years, with environmentalists, politicians and ...

How can you perform a ground test when you can’t drive a spike? A new customer has just awarded you a service contract to perform standard electrical maintenance for a large suburban mall. As part of ...