Test Method Title
CBR Puncture Strength **GRI has discontinued this method, the industry-accepted standard test method is now ASTM D6241
Reference Number
GRI GS 1
Material
Geocomposite, Geotextile
Test Property
CBR puncture strength
Description of Test
A test specimen is clamped without tension between circular plates and secured in a tensile or compression testing machine, or both. A force is exerted against the center of the unsupported portion of the test specimen by a steel plunger attached to the load indicator until rupture occurs. The maximum force is the value of puncture strength.
Number of Test Specimens
10
Test Specimen Size
9.5" diameter
Keywords
CBR, puncture