Lab Services: Geosynthetic testing

Lab Services: Geosynthetic testing

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Test Method Title

Standard of Practice for Determining the Integrity of Field Seams Used in Joining Flexible Polymeric Sheet Geomembranes - Peel and Shear **This standard has been revised and renamed and no longer provides the test method for seam destructive peel and shear testing. The new standard is ASTM D6392

Reference Number

ASTM D4437

Material

Geomembrane

Test Property

seam peel and shear; seam strength

Description of Test

Five peel and five shear specimens are tested in tension to determine the peel and shear strength of welded field seams. For double welded seams, both welds are tested in peel. Failure modes are also noted and 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"

Keywords

peel, shear, seam, destructive

For more information, contact GeoTesting Express:



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770.645.6575


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978.635.0424


Chicago

224.676.1371


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212.566.6630



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