ASTM D4491/D4491M-21
Standard Test Methods for Water Permeability of Geotextiles by Permittivity

Standard No.

ASTM D4491/D4491M-21

Release Date

2021

Published By

American Society for Testing and Materials (ASTM)

Status

Be replaced

Replace By

ASTM D4491/D4491M-22

Latest

ASTM D4491/D4491M-22

Scope

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 three procedures: the constant head and falling head methods

ASTM D4491/D4491M-21 history

• 2022 ASTM D4491/D4491M-22 Standard Test Methods for Water Permeability of Geotextiles by Permittivity
• 2021 ASTM D4491/D4491M-21 Standard Test Methods for Water Permeability of Geotextiles by Permittivity
• 2020 ASTM D4491/D4491M-20e1 Standard Test Methods for Water Permeability of Geotextiles by Permittivity
• 2020 ASTM D4491/D4491M-20 Standard Test Methods for Water Permeability of Geotextiles by Permittivity
• 2017 ASTM D4491/D4491M-17 Standard Test Methods for Water Permeability of Geotextiles by Permittivity
• 2016 ASTM D4491/D4491M-16 Standard Test Methods for Water Permeability of Geotextiles by Permittivity
• 2015 ASTM D4491/D4491M-15 Standard Test Methods for Water Permeability of Geotextiles by Permittivity
• 1999 ASTM D4491-99a(2014)e1 Standard Test Methods for Water Permeability of Geotextiles by Permittivity
• 1999 ASTM D4491-99a(2009) Standard Test Methods for Water Permeability of Geotextiles by Permittivity
• 1999 ASTM D4491-99a(2004)e1 Standard Test Methods for Water Permeability of Geotextiles by Permittivity
• 1999 ASTM D4491-99a(2004) Standard Test Methods for Water Permeability of Geotextiles by Permittivity
• 1999 ASTM D4491-99a Standard Test Methods for Water Permeability of Geotextiles by Permittivity