Fly ash is a fine powder that is a byproduct of burning pulverized coal in electric generation power plants. It is excavated, screened, dried, and processed into a quality pozzolan (a substance containing aluminous and siliceous material that forms cement in the presence of water) for commercial use in producing concrete.
Pulverized coal burned in electric generation power plants can be recycled for use in the production of concrete.
Example of this material in action:
St. Croix Bridge. St. Croix River, Minnesota. MnDOT. 2018
Find it in our collection database.