Jim Wild, Vermont Agency of Transportation The Vermont Agency of Transportation (VTrans) has been using high performance concrete (HPC) for approximately 7 years. Initially, HPC was incorporated into bridge structures to help combat the potential for alkali-silica reactivity. HPC MixesVTrans
Pennsylvania’s Experience with HPC Bridge Decks
Patricia Miller, Pennsylvania Department of Transportation In October 2000, the Pennsylvania Department of Transportation (PennDOT) started its research and development of a high performance concrete (HPC) specification for bridge decks. This research was done in conjunction with the Pennsylvania Transportation
Experiences with Ohio HPC Bridge Decks with Warranty Program
Jim Welter, Ohio Department of Transportation In response to House Bill 163 of the Ohio State General Assembly, the Ohio Department of Transportation (ODOT) established warranty specifications for various items of work in highway construction projects. Warranties are to guarantee
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Specifications to Reduce Bridge Deck Cracking
JoAnn Browning and David Darwin, University of Kansas and Kenneth F. Hurst, Kansas Department of Transportation A pooled-fund study is being implemented in two phases under the direction of the Kansas Department of Transportation in conjunction with 18 other state
High Performance Concrete in Colorado
Andrew Pott and Jamal Elkaissi, Colorado Department of Transportation The definition of high performance concrete continues to evolve in Colorado. Technological advances, as well as performance requirements, continue to raise the bar for what we consider “high performance.” High Performance