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Test Method Title
Standard Test Method for Determining the Integrity of Nonreinforced Geomembrane Seams Produced Using Thermo-Fusion Methods
seam peel and shear; seam strength
Description of Test
This test method describes destructive quality control and quality assurance tests used to determine the integrity of geomembrane seams produced by thermo-fusion methods. Specimens are tested in a tensile machine for peel strength (five specimens) and shear strength (five specimens). The peak strength and failure modes are reported.
Preferred Test Sample Size
1 linear foot of seam x 10" wide
Number of Test Specimens
10 (5 peel, 5 shear)
Test Specimen Size
1" x 8"
peel, shear, seam, destructive
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