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Early freezing on non-air-entraining concrete
Cylinders molded at 72 F and subjected immediately to freezing temperature of 15 F lost about 40% of their compressive strength; there was practically no loss when cylinders set 6 hr before freezing; cylinders exposed to -- 15 F lost 45% of their strength when frozen immediately; more critical condition existed when concrete was mixed from cold materials.
Early freezing on non-air-entraining concrete
Cylinders molded at 72 F and subjected immediately to freezing temperature of 15 F lost about 40% of their compressive strength; there was practically no loss when cylinders set 6 hr before freezing; cylinders exposed to -- 15 F lost 45% of their strength when frozen immediately; more critical condition existed when concrete was mixed from cold materials.
Early freezing on non-air-entraining concrete
Am Concrete Inst -- J
McNeese, D.C. (Autor:in)
1952
8 pages
Aufsatz (Zeitschrift)
Englisch
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