Concrete and Earthquake Engineering Research Group

Department of Civil & Structural Engineering

Recycled concrete will form runway base


The concrete of an existing runway at Seattle-Tacoma International Airport is being crushed on site and will be recycled to form the 8-inch subbase of a new runway. The subbase will be covered with 4 inches of asphalt and 18 inches of concrete. Construction is expected to be completed in October. The Seattle Times