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Lab Services: Geosynthetic testing

Lab Services: Geosynthetic testing

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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

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.

Preferred Test Sample Size

Number of Test Specimens

1

Test Specimen Size

2 grams

Keywords

swell index

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