Trials of so-called ‘whisper concrete ’ were conducted by the national roads agency in the 1990s, with some of the aggregate ...

Asphalt consists of aggregate, sand, filler, and bitumen. These components are used to produce different types of asphalt, such as dense asphaltic concrete (AC), stone mastic asphalt (SMA) and ...

Ann Arbor, Michigan-based paving contractor Waltz Concrete (517-605-8184) has announced new services specifically for ...