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ASTM D6243/D6243M

2016 Edition, January 1, 2016

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Standard Test Method for Determining the Internal and Interface Shear Strength of Geosynthetic Clay Liner by the Direct Shear Method

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Product Details:

  • Revision: 2016 Edition, January 1, 2016
  • Published Date: January 1, 2016
  • Status: Active, Most Current
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 12
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This test method covers a procedure for determining the internal shear resistance of a Geosynthetic Clay Liner (GCL) or the interface shear resistance between the GCL and an adjacent material under a constant rate of deformation. 

This test method is intended to indicate the performance of the selected specimen by attempting to model certain field conditions. 

This test method is applicable to all GCLs. Remolded or undisturbed soil samples can be used in the test device. See Test Method D5321/D5321M for interface shear testing of non-GCL geosynthetics. 

This test method is not suited for the development of exact stress-strain relationships within the test specimen due to the nonuniform distribution of shearing forces and displacement. 

The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

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.