I.S. EN ISO 12956:2020
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
02-03-2020
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus and materials
6 Test specimens
7 Procedure
8 Calculation and expression of results
9 Test report
Annex A (normative) Mesh sizes
Annex B (informative) Example of the determination of the characteristic opening size
Annex C (informative) Preparation of knitted tubular geotextiles for testing
Bibliography
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