I.S. EN ISO 12956:2020
Current
The latest, up-to-date edition.
Geotextiles and geotextile-related products - Determination of the characteristic opening size (ISO 12956:2019)
Hardcopy , PDF
English
03-02-2020
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.
Dates of withdrawal of national standards are available from NSAI.
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
This document specifies a method for the determination of the characteristic size of the openings of a single layer of a geotextile or geotextile-related product using the wet-sieving principle.
| Committee |
TC 221
|
| DocumentType |
Standard
|
| Pages |
30
|
| ProductNote |
The date of any NSAI previous adoption may not match the date of its original CEN/CENLEC document.
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 12956:2019 | Identical |
| EN ISO 12956:2020 | Identical |
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