This International Standard specifies a method for determining the constant-head water flow capacity within the plane of a geotextile or geotextile-related product.
EN ISO 12958:2010 Referenced Document
ISO 10320 Geosynthetics — Identification on site*, 2019-02-28 Update
ISO 2854 Statistical interpretation of data; Techniques of estimation and tests relating to means and variances
ISO 5813 Water quality; Determination of dissolved oxygen; Iodometric method
ISO 9862 Geosynthetics — Sampling and preparation of test specimens*, 2023-10-01 Update
ISO 9863-1 Geosynthetics — Determination of thickness at specified pressures — Part 1: Single layers — Amendment 1*, 2019-12-04 Update
EN ISO 12958:2010 history
2010EN ISO 12958:2010 Geotextiles and geotextile-related products - Determination of water flow capacity in their plane (ISO 12958:2010)
1999EN ISO 12958:1999 Geotextiles and Geotextile-Related Products - Determination of Water Flow Capacity in Their Plane ISO 12958:1999