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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: Tests of a New Method for Evaluating Volume Changes of Concrete Masonry Units
Author(s): M. W. Ferguson, G. L. Kalousek, and C. W. Smith
Publication: Journal Proceedings
Appears on pages(s): 947-960
Keywords: no keywords
Abstract:A suggested procedure developed by ACI Committee 716 for the accelerated testing of autoclaved concrete block for volume change (by drying previously saturated block at 225 F) has certain limitations if used for testing block cured by different methods. Reversing the procedure of the suggested method, first drying and then saturating the block, yielded results which appeared to cut total time of test nearly 1 day. Autoclaved block re-expanded to equilibrium length in about 4 hr of immersion, whereas the low-pressure steam-cured units continue to expand, often for prolonged periods of time. The new method, therefore, also appears promising for differentiating between block cured by different methods.
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