Stan L. Kaderbek, Chicago Department of Transportation and Sharon L. Tracy and Paul D. Krauss, Wiss, Janney, Elstner Associates Wacker Drive is a major two-level viaduct bordering the north and west sides of Chicago’s downtown “Loop.” The existing 75-year old
BENEFITS OF SLAG CEMENT IN HPC
Jan R. Prusinski, Slag Cement Association Slag cement—commonly referred to as ground granulated blast-furnace slag or GGBFS—is a hydraulic cement that works synergistically with portland cement to improve concrete strength and durability. What is Slag Cement? Slag cement is a
RENEWAL OF FHWA’S HPC TECHNOLOGY DELIVERY TEAM
Terry D. Halkyard, Federal Highway Administration The Federal Highway Administration’s High Performance Concrete (HPC) Technology Delivery Team (TDT), through funding in the Intermodal Surface Transportation Efficiency Act (ISTEA), produced positive results in helping state departments of transportation (DOTs) implement HPC