Test Method Title
Swell Measurement of the Clay Component of GCLs **GRI has discontinued this method, the industry-accepted standard test method is now ASTM D5890
Reference Number
GRI GCL 1
Material
Clay Component, Geosynthetic Clay Liner
Test Property
Swell index
Description of Test
Powdered clay mineral is dried and ground to pass a #100 mesh size and 5% passing #200 sieve size. Clay is added to a graduated cylinder of reagent water in increments and allowed to hydrate for 16 hours. The volume level at the top of the settled clay is recorded.
Number of Test Specimens
1
Test Specimen Size
2 grams
Keywords
swell index