Bulk density
> Open porosity from 1750 to 1940 kg/m3
according to the NF EN 1936 from 28.2 to 35.2%
> Measurement of the water absorption by capillarity
according to NF EN 1925
absorption anisotropy parallel to planes 127 g/m2.s 0.5
absorption anisotropy perpendicular to the planes 177 g/m2.s 0.5
> Sound propagation speed
according to the NF B 10-505
direction parallel to the quarry bed 2825 m/s
direction perpendicular to the quarry bed 2770 m/s
> The flexural strength measurement
according to the NF EN 12372
force exerted perpendicular to the planes of anisotropy 2.2 to 4 MPa
> The compressive strength measurement
According to the NF EN 1926 from 9.6 to 18.4 MPa
Force exerted perpendicular to the planes of anisotropy
> Frost susceptibility test
according to EN 12371
in number of cycles