This document specifies a method for determining the constant-head water flow capacity within the plane of a geotextile or geotextile-related product. This document describes the in-plane water flow index test, only applicable to factory-assembled products. For the in-plane water flow performance test, see ISO 12958-2.
Status: PublishedPublication date: 2020-10
Edition: 1Number of pages: 14
Technical Committee: ISO/TC 221 Geosynthetics
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