ISO INTERNATIONAL STANDARD 22476-1 Secondedition 2022-12 Geotechnical investigation and testing Field testing - Part 1: Electrical cone and piezocone penetration test Reconnaissance et essais géotechniques - Essais en place - Partie 1: Essais de pénétration au cone électrique et au piézocone Reference number IS0 22476-1:2022(E) ISO @ ISO 2022 IS0 22476-1:2022(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2022 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, without prior written permission. Permission can be requested from either Iso at the address below or ISO's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2022 - All rights reserved