ACI Standard Recommended Practice for Cold Weather Concreting (ACI 306-66)


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Title: ACI Standard Recommended Practice for Cold Weather Concreting (ACI 306-66)

Author(s): ACI Committee 306

Publication: Journal Proceedings

Volume: 63

Issue: 3

Appears on pages(s): 305-306

Keywords: accelerator;ACI standard;admixture;air entrainment;calcium cholride;cold weather concreting;compressive strength;concrete curing;form removal; freezing and thawing;heating materials;insulated forms;protection;subgrade preparation;temperature.

Date: 3/1/1966

The general requirements for producing satisfactory concrete during cold weather are discussed, as are methods for achieving these requirements. It is emphasized that for many structural concretes, protection considerably in excess of that required to insure freedom from damage by early freezing is required to assure safe development of strength. Accelerators, keeping of temperature records, heating of materials, subgrade preparation , protective insulating coverings, heated enclosures, curing, and form removal are discussed. Supplementary material on the effect of curing temperatures on concrete strength is referenced in authoritative sources. A list of selected references is included.