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 ...

Minister of Works, Engr Dave Umahi, has said the decision to switch from using asphalt for the construction of the Abuja-Kaduna-Zaria-Kano Road to using concrete will save the Federal Government ...