Question: Does HPC need to be air entrained for frost resistance? Answer: The primary purpose of air entrainment in concrete is to improve concrete’s resistance to cycles of freezing and thawing when exposed to water or deicing chemicals. Consequently, concrete
BENEFITS OF FLY ASH IN HPC
American Coal Ash Association* Fly ash is the fine material that results from the combustion of pulverized coal in a coal-fired power plant and is captured by electrostatic precipitators. Fly ash in concrete is frequently viewed as just a way
NCDOT’S EXPERIENCE WITH HPC
Tom Koch, North Carolina Department of Transportation The first application of high performance concrete (HPC) by the North Carolina Department of Transportation (NCDOT) was on dual bridges on U.S. 401 over the Neuse River just north of Raleigh, NC. The
IMPLEMENTATION OF A STRATEGIC PLAN FOR HPC BRIDGES
Suneel N. Vanikar, Federal Highway Administration In 2000, the HPC Lead States Team published a Transition Plan that listed several goals. One of the main goals was to “develop a long-term strategic plan for HPC bridges in partnership with government,
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