Test Method Title
Standard Test Method for Index Trapezoidal Tearing Strength of Geotextiles
Reference Number
ASTM D4533
Material
Geotextile
Test Property
trapezoidal tearing strength
Description of Test
An outline of an isosceles trapezoid is marked on a rectangular specimen and cut. A small tear is introduced on one side of the specimen. The nonparallel sides of the trapezoid marked on the specimen are clamped in parallel jaws of a tensile testing machine. The separation of the jaws is initiated and increased so the tear propagates across the specimen. The force is measured throughout the test.
Number of Test Specimens
10 machine direction 10 cross machine direction
Test Specimen Size
3" x 8"
Keywords
tearing, trapezoidal tear