Historical entry from ACI 116R-00, used prior to revision posted on March 31, 2008:
flow —
(1) time-dependent irrecoverable deformation (see also creep and rheology); or
(2) a measure of the consistency of freshly mixed concrete, mortar, or cement paste expressed in terms of the increase in diameter of a molded truncated cone specimen after jigging a specified number of times.
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