### How Much Ballast Do I Need To Mix Concrete Tjc Transport

The right amounts of ballast or sand-aggregate can also be expressed in simple ratios. So for the concrete mix mentioned above, your cement sand aggregate ratio should be 124 or ballast to cement ratio of 6 to 1. For a low-grade concrete with 10MPa strength, the perfect ratio should be 136. For 30MPa concrete use 10.751.5.

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