Air void clustering : [technical summary].
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2015-06-01
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Abstract:Air void clustering around coarse aggregate in concrete has been
identified as a potential source of low strengths in concrete mixes by
several Departments of Transportation around the country. Research
was carried out to (1) develop a quantitative measure of air void
clustering around aggregates; (2) investigate whether air void clustering
can be reproduced in a laboratory environment; (3) determine if air
void clustering contributes to lower compressive strengths in concrete
mixes; and (4) identify potential factors that may cause clustering.
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