Standards for prefabricated vertical drains (wickdrains)
ISO 12958:1999 Geotextiles and geotextile-related products -- Determination of water flow capacity in their plane ISO 10319:1993 Geotextiles -- Wide-width tensile test ISO 11058:1999 Geotextiles and geotextile-related products -- Determination of water permeability characteristics normal to the plane, without load ISO 12956:1999 Geotextiles and geotextile-related products -- Determination of the characteristic opening size Below there is a typical datasheet of a wickdrain (prefabricated vertical drain) ...