9.
Preliminary mix proportions for a cubic yard batch.
Summary:
Cement
641.3
lbs
6.8 sacks
Water
295
lbs
35.4 gallons
Sand
1,045
lbs
8.7 cubic feet
Gravel
1,795.5
lbs
18.9 cubic feet
Air
6
Percent (air-entrained concrete only)
Slump
4
inches
NOTE: These proportions assume a SSD moisture condition for the aggregate. Adjustments must be made for
the actual moisture condition of the aggregates on the job site as outlined in Lesson 2, Part D.
2-31
EN5466
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