ASTM-D7005 2008

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D7005-03(2008) Standard Test Method for Determining the Bond Strength (Ply Adhesion) of Geocomposites

Published By	Publication Date	Number of Pages
ASTM	2008	3

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Categories: 59.080.70 - Geotextiles, ASTM

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Description

1.1 It has been widely discussed in the literature that bond strength of flexible multi-ply materials is difficult to measure with current technology. The above is recognized and accepted, since all known methods of measurement include the force required to bend the separated layers, in addition to that required to separate them. However, useful information can be obtained when one realizes that the bending force is included and that direct comparison between different materials, or even between the same materials of different thickness, cannot be made. Also, conditioning that affects the moduli of the plies will be reflected in the bond strength measurement.

1.2 This index test method defines a procedure for comparing the bond strength or ply adhesion of geocomposites. The focus is on geotextiles bonded to geonets or other types of drainage cores; for example, geomats, geospacers, etc. Other possible uses are geotextiles adhered or bonded to themselves, geomembranes, geogrids, or other dissimilar materials. Various processes can make such laminates: adhesives, thermal bonding, stitch bonding, needling, spread coating, etc.

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.

1.4 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. Specific precautionary statements are given in 11.1.1

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	Summary of Test Method Significance and Use Apparatus Sampling and Test Specs and Units Preparation of Apparatus
3	Conditioning Test Conditions Procedure Calculation of Results Report Precision and Bias Keywords

Additional information

Standard Title	D7005-03(2008) Standard Test Method for Determining the Bond Strength (Ply Adhesion) of Geocomposites
Published Code	ASTM
Publication Date	2008
Pages Count	3
ICS Codes	59.080.70 - Geotextiles

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ASTM-D7005 2008

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