### Concrete Mix Ratios for Making Bricks with Moulds

Click for more information on Oxide Mix Ratios. Assume mould size is 100mm x 100mm x 50mm (9-cavity). Therefore 10cm x 10cm x 5cm x 9 (cavities) = 4 500 cubic centimetres (or 45 litres) total volume. Assume the mix ratio required is 1:2:3 (one part cement to two parts sand to …

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