32540487_10210683268712363_5647443177431367680_n[1]

Water permeability testing measures control versus treated specimens. BS EN 12390-8, Testing Hardened Concrete: Depth of Penetration Under Water Pressure, measures the depth of water penetration into concrete samples subjected to 0.5 MPa (72.5 psi) of hydrostatic pressure over a period of three days.

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