ASTM D4833 Geomembrane Puncture Testing

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ASTM D4833 | Textiles | Puncture Testing

The ASTM D4833 test method determines the index value of the puncture resistance of geomembranes, geotextiles, and related materials. A universal testing machine (tensile/compressive testing) can be utilized to meet the requirements of this specification. The test specimen is clamped between two plates of a ring clamp while a force is exerted against the center of the geomembrane by a steel rod until rupture occurs. Often materials that are tested on ASTM D4833 are also analyzed to D76, a specification for using tensile testing machines on textiles.

Before conducting ASTM D4833, it is important to read the entire specification in the relevant ASTM publication.

ASTM D4833 | Textiles | Puncture Testing

  1. Prepare the test specimens as described in the method. Minimum specimen diameter is 100 mm (4 in). Requirements for ASTM D4833 puncture fixture can be found under Recommended Equipment.
  2. Select the load range of the testing machine so that rupture takes place between 10 to 90 percent of the full-scale load.
  3. Center and clamp the specimen between the two holding plates of the puncture fixture.
  4. Apply the force at the crosshead speed specified in the standard until material ruptures.
  5. Record the maximum force as the puncture resistance force. If there is a double peak, record the initial force value even if the second peak is higher than the first one.
Calculations:
  • Average Puncture Resistance

ASTM D4833 | Textiles | Puncture Testing

ASTM D4833 | Textiles | Puncture Testing

ASTM D4833 Recommended Equipment
Testing System
Fixturing
  • Puncture Fixture
    • Ring Clamp: 45+/-0.025 mm
    • Probe: Solid steel rod with a diameter of 8 +/-0.01 mm and a flat end.
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