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What is the maximum overfilling allowed after the second layer of concrete it poured into a mould?

1mm

3mm

The maximum overfilling allowed after the second layer of concrete is poured into a mold is 3mm. This regulation is typically established to ensure that the concrete maintains its structural integrity and the proper proportions necessary for optimal strength and durability. Allowing a 3mm overfill strikes a balance between accommodating variations in the filling process and preventing excess material that could lead to issues like uneven surfaces or excessive weight.

This standard can stem from industry guidelines that dictate acceptable tolerances in construction practices, particularly concerning mold-filling to ensure consistency in the final product. Adherence to this limit helps maintain quality control, as any deviation beyond the specified overfill could result in defects or compromised performance of the concrete element.

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