NF EN 772-2

Methods of test for masonry units - Part 2 : determination of percentage area of voids in aggregate concrete masonry units (by paper indentation)

Le présent document prescrit une méthode de détermination du pourcentage des zones de vides dans les éléments de maçonnerie creux ou perforés à alvéoles en terre cuite, silico-calcaire, béton de granulats et béton cellulaire autoclavé.

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