Answer Posted / shailesh

For 100 cum

Cement should be in kg=(152/sum of proportion)*cement density
Sand should be cum=(152/sum of proporation)*sand ratio
percentage

Aggregate shuid be in cum=(152/sum of proporation)*
percentage of aggreagate
For PCC 1:4:8 (100CUM)

Cement=(152/13)*1*1440=16836.92kg
Sand=(152/13)*446.769 cum
Aggregate=(152/13)*8=93.53cum

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