ISO 12958-1-2020 土工織物和土工織物相關(guān)產(chǎn)品--其平面內水流能力的測定--第1部分:指數試驗 Geotextiles and geotextile-related products — Determination of water flow capacity in their plane — Part 1: Index test

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.st edition 2020-10 Geotextiles and geotextile-related products — Determination of water flow capacity in their plane — Part 1: Index test Géotextiles et produits apparentés — Détermination de la capacité de débit dans leur plan — Partie 1: Essai index Reference number ISO 12958-1:2020(E) ？ ISO 2020 ISO 12958-1:2020(E) COPYRIGHT PROTECTED DOCUMENT ？ ISO 202