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Norm
ÖNORM EN 14150
Issue date: 2019 07 15
Geosynthetic barriers - Determination of permeability to liquids
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 m...
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Valid
Publisher:
Austrian Standards International
Format:
Digital | 16 Pages
Language:
German
| English
| Download GER/ENG
Optionally co-design standards:
ICS
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 than 10^(-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.