Proposed Practice for Cold Weather Concreting

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Title: Proposed Practice for Cold Weather Concreting

Author(s): ACI Committee 306

Publication: Journal Proceedings

Volume: 62

Issue: 9

Appears on pages(s): 1009-1036

Keywords: accelerator, ACI committee report, admixture, air entrainment, calcium chloride, cold weather concreting, compressive strength, concrete, curing, form removal, freezing and thwing, heating materials, insulated forms, protection, subgrade preparation,

Date: 9/1/1965

Abstract:
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 coveings, 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.