EN 14150:2019
Current
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Geosynthetic barriers - Determination of permeability to liquids
12-06-2019
This document specifies a method for measuring the steady-state liquid flow through a geosynthetic barrier, used to contain liquids in long-term applications.The test method and described apparatus allow the measurement of flows accurately down to 10−6 m³/m²/day. In particular circumstances where testing indicates that values obtained for a geosynthetic barrier lie below the threshold of sensitivity of this test method, then the value of liquid flow is declared as being less than10−6 m³/m²/day.Due to its long duration, this test method is not suitable for production control testing.Clay geosynthetic barriers cannot be tested with this apparatus.
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