NF EN 772-3

Methods of test for masonry units. Part 3 : determination of net volume and percentage of voids of clay masonry units by hydrostatic weighing.

Le présent document spécifie une méthode de détermination du volume net des éléments de maçonnerie en terre cuite et silico-calcaire contenant des cellules, des creux et des trous qui ont une texture de surface fermée.

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