EN ISO 11058:2019 Geotextiles and geotextile-related products - Determination of water permeability characteristics normal to the plane, without load (ISO 11058:2019)
This document specifies two test methods for determining the water permeability characteristics of a single layer of geotextile or geotextile-related product normal to the plane: a) the constant head method; and b) the falling head method.
EN ISO 11058:2019 history
2019EN ISO 11058:2019 Geotextiles and geotextile-related products - Determination of water permeability characteristics normal to the plane, without load (ISO 11058:2019)
2010EN ISO 11058:2010 Geotextiles and geotextile-related products - Determination of water permeability characteristics normal to the plane, without load (ISO 11058:2010)
1999EN ISO 11058:1999 Geotextiles and Geotextile-Related Products - Determination of Water Permeability Characteristics Normal to the Plane, without Load ISO 11058:1999