Pierre De Espeil Fountain

Sedimentary rock.
Shelly limestone a little rude.
Many remnants of shells.
Contains quartz crystals.
Globally homogeneous appearance.
Pierre de la Roche Espeil: Standards
Bulk density
> Open porosity from 2020 to 2070 kg / m3
according to standard NF EN 1936 from 23.2 to 25.1%
> Measurement of the water absorption by capillarity
according to NF EN 1925
parallel to the absorption anisotropy planes 183.9 g / m².s 0.5
absorption perpendicular to the planes of anisotropy 121.0 g / m².s 0.5
> Sound propagation speed
according to the NF B 10-505
direction parallel to the quarry bed 3555 m / s
direction perpendicular to the quarry bed 3410 m / s
> The flexural strength measurement
according to the NF EN 12372
force exerted perpendicular to the planes of anisotropy from 3.9 to 4.9 MPa
> Frost susceptibility test
according to EN 12371
in number of cycles