The measurement of concrete permeability
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This paper describes the construction and operation of an apparatus for the measurement of concrete permeability. The concrete samples used in the apparatus are cast in epoxy resin before insertion in a pressure cell. Uniaxial water flow, under pressures up to 3.5 MPa, is ensured by O-ring seals.Results are presented for the permeability of laboratory samples with water/cement ratios varying from 0.35 to 0.75. Key words: concrete, permeability, apparatus.