26: Traço concreto 25MPa.
In the video, I provide guidance on the need to produce structural concrete on the construction site and indicate a semi-empirical mix design for a concrete compressive strength (fck) of 25MPa, using a water-cement ratio (W/C) of 0.60 as recommended by the NBR 6118:2014 standard, according to aggressiveness class II. I also recommend the use of CP III 32 cement in the concrete manufacturing process and explain the reason for this recommendation. Civil Engineer Milton Salgado Filho - UFJF.
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