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ASTM D4491/D4491M

Standard Test Methods for Water Permeability of Geotextiles by Permittivity

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Organization: ASTM
Publication Date: 1 June 2020
Status: inactive
Page Count: 8
ICS Code (Geotextiles): 59.080.70
scope:

These test methods cover procedures for determining the hydraulic conductivity (water permeability) of geotextiles in terms of permittivity under standard testing conditions, in the uncompressed state. Included are three procedures: the constant head and falling head methods using a water flow apparatus, and the air flow method using an air flow apparatus.

The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Document History

June 1, 2020
Standard Test Methods for Water Permeability of Geotextiles by Permittivity
These test methods cover procedures for determining the hydraulic conductivity (water permeability) of geotextiles in terms of permittivity under standard testing conditions, in the uncompressed...
ASTM D4491/D4491M
June 1, 2020
Standard Test Methods for Water Permeability of Geotextiles by Permittivity
These test methods cover procedures for determining the hydraulic conductivity (water permeability) of geotextiles in terms of permittivity under standard testing conditions, in the uncompressed...
January 1, 2017
Standard Test Methods for Water Permeability of Geotextiles by Permittivity
These test methods cover procedures for determining the hydraulic conductivity (water permeability) of geotextiles in terms of permittivity under standard testing conditions, in the uncompressed...
July 1, 2016
Standard Test Methods for Water Permeability of Geotextiles by Permittivity
These test methods cover procedures for determining the hydraulic conductivity (water permeability) of geotextiles in terms of permittivity under standard testing conditions, in the uncompressed...
July 1, 2015
Standard Test Methods for Water Permeability of Geotextiles by Permittivity
These test methods cover procedures for determining the hydraulic conductivity (water permeability) of geotextiles in terms of permittivity under standard testing conditions, in the uncompressed...

References

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