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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Effects of Mixing Time, Size of Batch and Brand of Cement on Air Entrainment
Author(s): E. W. Scripture, Jr., and F. J. Litwinowicz
Publication: Journal Proceedings
Appears on pages(s): 653-662
Keywords: no keywords
Abstract:A program, parially described in previous papers, to investigate various factors affecting the amount of air entrained in concrete has been continued. The factors covered in this paper are mixing time, size of batch, and brand of cement. The entrained air rises to a maximum in the early stages of mixing and thereafter decreases. Provided mixing is adaquate, the size of batch does not appear to affect the amount of air entrained. Wide variations are found in the amounts of air entrained by different cements and it does not appear possible to correlate these variations with any easily and quickly determinable characteristic of the cement.
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