This method, which is applicable to cast and cored concrete specimens, concerns the determination of the concrete permeability to oxygen conforming to the Hagen-Poiseuille relationship.
The apparatus consists of:
Permeability cell for specimens 150 mm dia, 50 mm high
Volumetric gas flow meter, soap bubble type
High precision pressure regulator
Digital readout unit and pressure transducer
Stainless steel wall mounting panel and connections