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ASTM D6243/D6243M-26 Standard test method for determining the internal and interface shear strength of geosynthetic clay liner by the direct shear method

Publication Year

2026

Document Status

Current

Abstract

Test method 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.

Document History

Supersedes ASTM D6243/D6243M-25.

Publisher Information

American Society for Testing and Materials

ASTM International offers global access to standards development for over 140 participating countries.