Asphalt making happens in a specific asphalt plant.
The asphalt plant mixes the different types of aggregates, such as rock, oil, and other additives, used in making the asphalt.
In the process, the additive has the role of an anti-stripping agent.
The asphalt cement is heated and combined with the rocks to produce the hot mix asphalt product that is usable as a paving material.
As long as the asphalt is hot, it is moldable, which allows it to be contoured to individual road conditions. Once it cools down, it becomes the hard surface material that can stand hard usage conditions from cars and other road traffic.
Because asphalt paving clients demand different types of mixes and end results from their pavement, the plant is able to produce different types of mixes from the ingredients.
In fact, the mix is engineered for each project. When the correct mix is determined, the instructions are sent to the hot plant operator, who controls the entire operation from the control room of the asphalt plant.
From Asphalt Making page to Asphalt Guide index