Geosynthetic Clay Liner
Permeability
This test method involves permeation of a 100-mm (4in.) diameter GCL test specimen. The specimen is set up in a flexible-wall permeameter, subjected to a total stress of 550 kPa (80 psi) and a backpressure of 515 kPa (75psi) for a period of 48h. Flow is initiated using deionized water by raising the pressure on the influent side of the test specimen to 530 kPa (77psi). The flux is determined when inflow and outflow are approximately equal (within 625%).
1
4" diameter
Index, flux, permeability
Atlanta
770.645.6575
Boston
978.635.0424
Chicago
224.676.1371
New York
212.566.6630
info@geotesting.com