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ASTM D4491-99a(2004)e1

Historical Revision

Standard Test Methods for Water Permeability of Geotextiles by Permittivity

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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.

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.


SDO ASTM: ASTM International
Document Number D4491
Publication Date Dec. 10, 1999
Language en - English
Page Count 6
Revision Level 99a(2004)e1
Supercedes
Committee D35.03
Publish Date Document Id Type View
Jan. 1, 2014 D4491-99AR14E01 Revision
Dec. 10, 1999 D4491-99AR04E01 Revision
Dec. 10, 1999 D4491-99A Revision
Nov. 1, 2009 D4491-99AR09 Reaffirmation
Dec. 10, 1999 D4491-99AR04 Reaffirmation