Liquid Nitrogen for Concrete Cooling
Appears on pages(s):
LN; hot weather; hot-weather concreting; ice
Abundant and generally inexpensive, liquid nitrogen (LN) is gaining popularity across the nation as a substitute for costly water chillers, additives, and/or cumbersome ice bags. Until recently, safety concerns and lack of understanding slowed any widespread use of LN by the concrete industry. This article describes the successful use of LN to cool concrete by the Texas Department of Transportation (TxDOT) for the State Highway 45 Turnpike Project in central Texas.