CEN - EN ISO 11058
Geotextiles and geotextile-related products - Determination of water permeability characteristics normal to the plane, without load
|Publication Date:||1 June 2019|
|ICS Code (Geotextiles):||59.080.70|
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.