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Groundwork & Foundations Question
Cement to all in ballast
Help please !
How many 25Kg bags of cement do I need for 1 cubic metre of all-in-ballast when mixing concrete at a ratio of 1:6.
my self normaly find that 4 ballast/sand and 1 cement (thats shovels) 4in1 is a strong enough mix
Answered 29th Jan 2012
1 metre is approx 2.2 tonne
70 shovels in a tonne
I'd get 10 bags and you couldnt go wrong.
Answered 15th Aug 2011
Errmm.. At 6:1 ratio you will need approx two bulk bags which is 1700kg or 1.2cumtrs. Which adds up to 11.3 bags of cement, I would get 12.
Answered 28th Jan 2012