12-26-2011, 01:07 AM
BS EN ISO 12956:2010 Geotextiles and geotextile-related products. Determination of the characteristic opening size
Size: 578 KB | Format: PDF | Publisher: BSI | Year: 31 May 2010 | pages: 18 | ISBN: 978 0 580 67998 8
BS EN ISO 12956 is an International Standard which 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.
Contents of BS EN ISO 12956:
Foreword
1 Scope
2 Normative references
3 Symbols
4 Principle
5 Apparatus and materials
6 Test specimens
6.1 Handling
6.2 Selection
6.3 Number and dimensions
6.4 Specimen condition
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
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