Research Article
Apr 1974
Strength Development of Concrete Exposed in Winter
Authors: Carl Berwanger, F.ASCE, and V. Mohan MalhotraAuthor Affiliations
Publication: Journal of the Engineering Mechanics Division
Volume 100, Issue 2
Abstract
The relationship of the strength of standard laboratory-cured cylinders to the strength of concrete in columns and slabs and to field-cured cylinders exposed under winter conditions have been reported. The columns, slabs, and about half of the cylinders were left at an outdoor exposure site after an initial 3-day curing at 50 ± 10°F (10 ± 6°C). The remaining cylinders were standard cured. Cores were taken from the columns and slabs at 3, 14, 28, 120, and 355 days for testing in compression. The test results show that concrete initially cured for 3 days at about 50°F (10°C) and about 75% relative humidity and then exposed to below freezing temperatures continues to gain strength. The rate of strength gain of the field-cured concrete shows a marked increase after the ambient air temperature exceeds 50°F (10°C). At the age of about 1 yr, the compressive strengths of the field-cured generally exceeded the standard strength.
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Published In
Journal of the Engineering Mechanics Division
Volume 100 • Issue 2 • April 1974
Pages: 305 - 321
Copyright
© 1974 American Society of Civil Engineers.
History
Published in print: Apr 1974
Published online: Feb 3, 2021
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Authors
Affiliations
Carl Berwanger, F.ASCE
Prof., Civ. Engrg. Dept., Faculty of Sci. and Engrg., Univ. of Ottawa, Ottawa, Ontario, Canada
V. Mohan Malhotra
Materials Engr., Construction Materials Sect., Mines Br., Dept. of Energy, Mines, and Resources, Ottawa, Ontario, Canada
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.