Question: Can I use the AASHTO LRFD Bridge Design Specifications for specified concrete compressive strengths above 10 ksi (69 MPa)? Answer: The scope of the Fifth Edition of the American Association of State Highway and Transportation Officials (AASHTO) LRFD Bridge
FHWA’s Every Day Counts Initiative
M. Myint Lwin and Louis N. Triandafilou, Federal Highway Administration For the Nation’s highway community, meeting the challenges of today’s transportation needs while working more efficiently, sustainably, and cost-effectively means going beyond innovation and ingenuity. It means making every day
Ultra-High Performance Concrete Waffle Slab Bridge Deck for Wapello County, Iowa
Dean Bierwagen, Ping Lu, and Ahmad Abu-Hawash, Iowa Department of Transportation; Brian Moore, Wapello County, Iowa; and Terry Wipf and Sri Sritharan, Iowa State University, Ames, Iowa. Since 2003, Iowa has been helping expand the knowledge base for the design,
Read More >>Ultra-High Performance Concrete Waffle Slab Bridge Deck for Wapello County, Iowa