Determining Apparent Opening Size of a Geotextile

Test Method Title:
Determining Apparent Opening Size of a Geotextile

Method ID:
ASTM D4751

Material:
Geotextile and Geotextile related products

Test Property:
Apparent Opening size O95

Description of Test:
A test specimen is clamped in a Sieve shaker machine and shakes the specimen for 10 minutes with required amount of glass beads. Collect the passing glass beads and calculate the result O95 after shaking. An apparent opening size O95 is reported.

Preferred Test Sample Size:
2m x Full production width.

The number of Test Specimens:
⦁ pcs

Test Specimen Size:
250mm x 250mm or Ø200mm as per the requirement of the laboratory apparatus.

Keywords:
Apparent Opening size. O95