19 June 2001
b. Consider moisture in aggregate when calculating quantity of water.
c. Use a water-reducing plasticizer admixture wherever placement
and consolidation are restricted, or slumps greater than 10 cm (4 inches) are
Placement: The equipment used depends on size of the pour, accessibility and
working space, and availability of equipment. Concerns are placement speed and
consolidation. In confined, hard to access locations, aid consolidation by using
admixtures and mechanical vibrators and tampers. Elimination of voids and
honeycombing is very important.
Curing: The most effective moist-curing method is using wet burlap for 7 days.
Do not cut corners or try to economize. This is critical.