Geosynthetic Accreditation Institute

SGI Testing Services, LLC
Attn: Robert Swan, Jr.
(404) 256-9939

 

List of Accredited Test Methods:

  • ASTM S1621 – Core Compression
  • ASTM D4595 – Geotextile Wide Width Tensile
  • ASTM D4632 – Geotextile Grab Tensile
  • ASTM D4884 – Geotextile Sewn Seam
  • ASTM D4885 – Geomembrane Wide Width
  • ASTM D4886 – Geotextile Abrasion
  • ASTM D5035 – Textile Strip Tensile
  • ASTM D5262 – Tension Creep
  • ASTM D5321 – Direct Shear
  • ASTM D5617 – 3-D Multiaxial
  • ASTM D5641 – CBR Puncture
  • ASTM D6243 – GCL Shear
  • ASTM D6637 – Geogrid Single or Multi-Rib Tensile
  • ASTM D6638 – Connection Strength
  • ASTM D6706 – Pullout
  • GRI-GG1 – Geogrid Rib Strength
  • GRI-GG2 – Geogrid Junction Strength

[Method List]

[Laboratory List]

[GAI page]