John M. Hooks, Federal Highway Administration Bridge engineers across the country are working with new, innovative uses for high performance concrete (HPC). Whether it is durable bridge decks, optimized girder cross sections, or creative admixtures for overlays, HPC is increasingly
HPC IN NEW YORK STATE BRIDGE DECKS
Donald A. Streeter, New York State Department of Transportation The New York State Department of Transportation (NYSDOT) developed a high performance concrete (HPC) mix in 1994 in an effort to produce longer lasting, more durable bridge decks. Positive results from
Question and Answer
Question: What are the pros and cons of the Rapid Chloride Permeability Test? Answer: The so called “Rapid Chloride Permeability Test” is being used as a measure of the “permeability” of concrete to chloride ions. The more proper term would
COMPRESSION TESTING OF HIGH STRENGTH CONCRETE
Ronald G. Burg, Construction Technology Laboratories, Inc. High performance concrete (HPC) used in the construction of a bridge or bridge element often includes high strength concrete (HSC). To date, concrete with design compressive strengths of up to 19,000 psi (131