
Geotextiles and geotextilerelated products – Determination of water permeability characteristics normal to the plane, without load (ISO 11058:2019); English version EN ISO 11058:2019, English translation of DIN EN ISO 11058:2019-09
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
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 - Identical