Antifreeze Admixture Developed in Japan


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Title: Antifreeze Admixture Developed in Japan

Author(s): K. Sakai, H. Watanabe, H. NomachiI,and K. Hamabe

Publication: Concrete International

Volume: 13

Issue: 3

Appears on pages(s): 26-30

Keywords: alkali aggregate reactions; admixtures; compressive strength; cold weather construction; field tests; freezing; freeze thaw durability; heat transfer; Materials Research

Date: 3/1/1991

Describes laboratory and field tests on a nonchloride, nonalkaline antifreezing admixture. Laboratory tests investigated temperature of pore water, rate of heat evolution, strength development, freeze-thaw resistance, and alkali-aggregate reaction. Field tests examined the performance characteristics of concrete in cold weather. Test results showed that admixture effectively prevents freezing of fresh concrete.