ASTM D5887/D5887M-20,Standard Test Method for Measurement of Index Flux Through Saturated Geosynthetic Clay Liner Specimens Using a Flexible Wall Permeameter.
ASTM D5887/D5887M-20 covers an index test that covers laboratory measurement of flux through saturated geosynthetic clay liner (GCL) specimens using a flexible wall permeameter.
Test Specimen Preparation
Inspect the bulk GCL sample to be tested and record any disturbance, irregularity, or damages.Choose a representative section of the GCL sample to obtain the specimen for testing.
Place a template with a known area on the selected section.
Utilizing a sharp utility knife, or other suitableinstruments, cut the bulk GCL sample to the exact size of thetemplate. Carefully remove, with little or no loss of bentonite,and weigh the cut GCL sample.
The size of this pdf file is 3.98M and the standard is shared by Judy from America.
ASTM D5887/D5887M-20 pdf download
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