Antifreeze Admixtures for Cold Weather Concreting


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Title: Antifreeze Admixtures for Cold Weather Concreting

Author(s): Charles J. Korhonen and Edel R. Cortez

Publication: Concrete International

Volume: 13

Issue: 3

Appears on pages(s): 38-41

Keywords: admixtures; cold weather construction; compressive strength; costs; freezing; freeze-thaw durability; Materials Research

Date: 3/1/1991

Presents information about various chemical admixtures, based on an extensive literature survey and on results from an on-going laboratory test program, that can be used to decrease the freezing point of water while permitting cement to hydrate. At 20, -5, and -10 C, concrete made using an aqueous solution of sodium nitrite/calcium nitrite and concrete made using a solution of sodium nitrite/potassium carbonate performed well in strength tests.