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About This Item

 

Full Description

1.1 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 two procedures: the constant head method and the falling head method.

1.2 The values stated in SI units are to be regarded as the standard. The inch-pound units stated in parentheses are provided for information only.

1.3 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 and health practices and determine the applicability of regulatory limitations prior to use.

 

Document History

  1. ASTM D4491/D4491M-22


    Standard Test Methods for Water Permeability of Geotextiles by Permittivity

    • Most Recent
  2. ASTM D4491/D4491M-21


    Standard Test Methods for Water Permeability of Geotextiles by Permittivity

    • Historical Version
  3. ASTM D4491/D4491M-20e1


    Standard Test Methods for Water Permeability of Geotextiles by Permittivity

    • Historical Version
  4. ASTM D4491/D4491M-20


    Standard Test Methods for Water Permeability of Geotextiles by Permittivity

    • Historical Version
  5. ASTM D4491/D4491M-17


    Standard Test Methods for Water Permeability of Geotextiles by Permittivity

    • Historical Version
  6. ASTM D4491/D4491M-16


    Standard Test Methods for Water Permeability of Geotextiles by Permittivity

    • Historical Version
  7. ASTM D4491/D4491M-15


    Standard Test Methods for Water Permeability of Geotextiles by Permittivity

    • Historical Version
  8. ASTM D4491-99a(2014)e1


    Standard Test Methods for Water Permeability of Geotextiles by Permittivity

    • Historical Version
  9. ASTM D4491-99A(2014)e1

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    Standard Test Methods for Water Permeability of Geotextiles by Permittivity

    • Historical Version
  10. ASTM D4491-99a(2009)


    Standard Test Methods for Water Permeability of Geotextiles by Permittivity

    • Historical Version
  11. ASTM D4491-99a(2004)e1


    Standard Test Methods for Water Permeability of Geotextiles by Permittivity

    • Historical Version
  12. ASTM D4491-99a(2004)


    Standard Test Methods for Water Permeability of Geotextiles by Permittivity

    • Historical Version
  13. ASTM D4491-99a


    Standard Test Methods for Water Permeability of Geotextiles by Permittivity

    • Historical Version