ASTM-D7406 2020(Redline)

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D7406-20 Standard Test Method for Time-Dependent Compressive Deformation Under Constant Pressure for Geosynthetic Drainage Products (Redline)

Published By	Publication Date	Number of Pages
ASTM	2020	5

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Categories: 59.080.70 - Geotextiles, ASTM

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Description

ASTM D7406-20

Redline Standard: Standard Test Method for Time-Dependent Compressive Deformation Under Constant Pressure for Geosynthetic Drainage Products

ASTM D7406

Scope

1.1 This test method is used to determine the unconfined compressive deformation (consolidation) characteristics of drainage geotextiles, geocomposites, geonets, or any other geosynthetic associated with drainage at a constant temperature, when subjected to a constant compressive stress.

1.2 This test method is intended for use as an unconfined compressive performance deformation test only. For a detailed procedure on how to establish an index test, see EN ISO 25619-1. For performance tests, the specimen shall be subjected to the site-specific liquid, the site-specific stress (normal and potentially a tangential stress on the upper and parallel loading platen), or both.

Note 1: Results achieved from unconfined compressive performance deformation testing may differ from testing performed under confined conditions.

1.3 Because of the changing nature of the geosynthetic industry and the wide variety of products already available, this particular test method may have to be slightly modified for unconfined compression deformation testing of some products.

1.4 The values given in SI units are to be considered as the standard. The values given in parentheses are for information only.

1.5 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.

1.6 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.

Keywords

compressive deformation; geosynthetic;

ICS Code

ICS Number Code 59.080.70 (Geotextiles)

DOI: 10.1520/D7406-20

Additional information

Standard Title	D7406-20 Standard Test Method for Time-Dependent Compressive Deformation Under Constant Pressure for Geosynthetic Drainage Products (Redline)
Published Code	ASTM
Publication Date	2020
Pages Count	5
ICS Codes	59.080.70 - Geotextiles