This document specifies a method for determining the constant-head water flow capacity within the plane of a geotextile or geotextile-related product, using boundary materials and test conditions of interest. A standard series of test conditions are proposed, involving soil confinement, low hydraulic gradients, seating times and an array of normal loads.
Status: PublishedPublication date: 2020-10
Edition: 1Number of pages: 16
Technical Committee: ISO/TC 221 Geosynthetics
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