Asphalt Plant Tour

aphaltplanttour.gif

  

Making asphalt pavement is like baking a cake. You measure all the right ingredients, mix them up and heat them for the final product. Asphalt starts with a mixture of sand and small and large rocks (called aggregate). Next, asphalt cement is heated and combined with the rocks. The pavement material must be kept pliable for proper installation, so asphalt facilities must be located near paving sites.


There are two basic types of plants used to manufacture asphalt:

 

You'll find common components in both batch and drum plants including:

 

Paving site equipment
A milling machine is used to remove the surface material from an existing roadway. That material is loaded into a truck and taken back to the plant for recycling. A brooming machine cleans the surface, then a distributor truck puts down the tack coat to make sure the surfaces bond. A truck carrying asphalt pavement material from the plant backs up to the paver and dumps the material into the hopper or a material transfer vehicle, which agitates the asphalt mix to keep the aggregate from segregating and to help insure a uniform temperature. The paver lays a smooth mat. Then a series of  rollers compacts the material.

 

aphalt plant tour