Method for Estimating Water Content of Concrete at the Time of Hardening

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Title: Method for Estimating Water Content of Concrete at the Time of Hardening

Author(s): James S. Blackman

Publication: Journal Proceedings

Volume: 50

Issue: 3

Appears on pages(s): 533-541

Keywords: no keywords

Date: 3/1/1954

Abstract:
Method for determining the original water content of concrete, at the time of hardening, is presented alon with the influence of time-temperature conditions of dehydration, character of aggregate, and age and exposure of concrete on the method. Conclusions drawn show that: (a) water content at the time of hardening can be determined satisfactorly, after saturation by a 24-hr immersion, by dehydration at 1100 F for 2 hr, (b) composition of aggregate may effect results if volatilization of aggregate constituents occurs, and © age and exposure conditions of concrete specimens do not appear to affect test results. Sample computations for age and aggregate series of tests are included in an appendix.