ASTM D5321: Standard Test Method for Determining the Shear Strength of Soil-Geosynthetic and Geosynthetic-Geosynthetic Interfaces by Direct Shear
SDO: ASTM: ASTM International
DOD Adopted ANSI Approved Approved
This test method covers a procedure for determining the shear resistance of a geosynthetic against soil, or a geosynthetic against another geosynthetic, under a constant rate of deformation.
The test method is intended to indicate the performance of the selected specimen by attempting to model certain field conditions. Results obtained from this method may be limited in their applicability to the specific conditions considered in the testing.
The test method is applicable for all geosynthetics, with the exception of geosynthetic clay liners (GCLs) which are addressed in Test Method D6243.
The test method is not suited for the development of exact stress-strain relationships for the test specimen due to the non-uniform distribution of shearing forces and displacement.
The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
This standard does not purport to address all 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.
- shear strength
- Mohr-Coulomb friction angle
- Mohr-Coulomb shear strength envelope
- coefficient of friction
- direct shear
- performance test
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