ASTM D4491-99a

Standard Test Methods for Water Permeability of Geotextiles by Permittivity (Includes all amendments And changes 8/16/2017).

Automatically translated name:

Standard Test Methods for Water Permeability of Geotextiles by Permittivity

STANDARD published on 10.12.1999

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The information about the standard:

Designation standards: ASTM D4491-99a
Note: WITHDRAWN
Publication date standards: 10.12.1999
SKU: NS-27458
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM D4491-99a :

Keywords:

Constant head testing, Drainage, Falling head test, Flow and flow rate, Geosynthet, Hydraulic conductivity, Liquids, Penetration, Permeability, Permittivity method, Water, ICS Number Code 59.080.70 (Geotextiles)

Additional information

1. Scope

1.1 These test methods provide 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.

2. Referenced Documents

	Detailed Drawings and Materials List for Construction, 10 Drawings
E691-23	Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
D4439-24	Standard Terminology for Geosynthetics
D653-22	Standard Terminology Relating to Soil, Rock, and Contained Fluids
D123-23	Standard Terminology Relating to Textiles
D5199-12(2019)	Standard Test Method for Measuring the Nominal Thickness of Geosynthetics

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