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Title: Liquid Nitrogen for Concrete Cooling

Author(s): William Beaver

Publication: Concrete International

Volume: 26

Issue: 9

Appears on pages(s): 93-95

Keywords: LN; hot weather; hot-weather concreting; ice

Date: 9/1/2004

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.


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