ISO/TR TECHNICAL REPORT 18228-4 First edition 2022-03 Design using geosynthetics Part 4: Drainage Design pour geéosynthétiques - Partie 4: Drainage Reference number IS0/TR18228-4:2022(E) ISO @IS02022 IS0/TR 18228-4:2022(E) COPYRIGHT PROTECTED DOCUMENT IS02022 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may the internet or an intranet, withoutpriorwrittenpermission.Permission can be requested from eitherIso at the addressbelow or Iso's member body in the country of the requester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214Vernier,Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org PublishedinSwitzerland i @ IS0 2022 - All rights reserved
ISO TR 18228-4 2022 Design using geosynthetics — Part 4 Drainage