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Title: Some Long Time Tests Of Concrete

Author(s): M. O. Whitney

Publication: Journal Proceedings

Volume: 27

Issue: 2

Appears on pages(s): 547-582

Keywords: none

DOI: 10.14359/8198

Date: 2/1/1931

Crushing strength-age relationships for several mixes of concrete made with different aggregates cured out-doors, under water, and in air indoors feature this re- port. Over 2000 concrete cylinders, also many auxiliary mortar specimens for strength-age determinations and absorption, freezin and expansion tests are included. l and thawing, Ana ysis of cements are listed. For the outdoor and underwater curing conditions the strength of the concrete increased approximately as the logar- ithm of the test aqe up to 20 years, for the indoor storage no 3 months. increase-in concrete strength occurred after


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