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Table 1 Concrete mix proportions.

From: Strength and Some Durability Properties of Concrete Containing Rice Husk Ash Produced in a Charcoal Incinerator at Low Specific Surface

Cement content

Sand

Coarse aggregates

Free w/b ratio

425 kg/m3

446 kg/m3

1,419 kg/m3

0.35, 0.40, 0.45, 0.50, 0.55

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