how to calculate cement bag in RCC
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Answer Posted / dhavaljit rathod
BULK DENSITY (SPECIFIC GRAVITY) OF CEMENT = 1.52
BULK DENSITY (SPECIFIC GRAVITY) OF 40mm AGG. = 1.57
BULK DENSITY (SPECIFIC GRAVITY) OF 20mm AGG. = 1.54
M 20 = 1 : 1.5 : 3
HENCE, (1+1.5+3) = 5.5 (Total MIX)
FOR CEMENT CONSUMPTION,
(1/5.5)X 1.52 x 1440 = 397.87 kg (where, 1 CUM = 1440 kg,
and 1.52=Cement Sp.Gr.)
SAY = 400 kg
BAGS = 400/50 = 8 nos.
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