FUNCTIONS OF CONCRETE ADMIXTURES --------------------------------------------------------- a) To increase workability without increasing water content or to decrease the water content at the same workability. b) To retard or accelerate both initial and final setting times. c) To reduce or prevent settlement. d) To create slight expansion in concrete and mortar. e) To modify the rate or capacity for bleeding or both. f) To reduce segregation of concrete, mortars and grouts. g) To improve penetration and or pumpability of concrete, mortars and grouts. h) To reduce rate of slump loss.
Posted on: Sun, 07 Dec 2014 00:16:02 +0000
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