BS EN ISO 11058:2010 Geotextiles and geotextile-related products - Determination of water permeability characteristics normal to the plane, without load
This International Standard 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;
b) the falling head method.
BS EN ISO 11058:2010 history
2019BS EN ISO 11058:2019 Geotextiles and geotextile-related products. Determination of water permeability characteristics normal to the plane, without load
2010BS EN ISO 11058:2010 Geotextiles and geotextile-related products - Determination of water permeability characteristics normal to the plane, without load
1999BS EN ISO 11058:1999 Geotextiles and geotextile-related products - Determination of water permeability characteristics normal to the plane, without load