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What is the Correct Ratio for RC 30 Mix

Postby Dogsbody104 » Fri Jul 28, 2017 5:36 pm

I have to mix a small amount (approx 0.75m3) of RC30 concrete (I know the specifications for the rebar - bending codes and coverage etc) but am finding it difficult to establish precisely what the mix should be (I've been told 250Kg cement per tonne). Can anyone confirm this or give me any more information. Thank you
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