Status : Superseded, Withdrawn Published : May 2010 Replaced By : BS EN ISO 12956:2020
BS EN ISO 12956:2010 Geotextiles and geotextile-related products. Determination of the characteristic opening size
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 Scope2 Normative references3 Symbols4 Principle5 Apparatus and materials6 Test specimens6.1 Handling 6.2 Selection6.3 Number and dimensions6.4 Specimen condition 7 Procedure8 Calculation and expression of results 9 Test reportAnnex A (normative) Mesh sizesAnnex B (informative) Example of the determination of the characteristic opening size
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