ISO INTERNATIONAL STANDARD 5091-1 First edition 2023-07 Structural intervention of existing concrete structures using cementitious materials Part 1: General principles Intervention structurelle sur les structures en béton existantes utilisantdesmatériauxcimentaires Partie 1: Principes généraux Reference number IS0 5091-1:2023(E) ISO IS02023 IS0 5091-1:2023(E) COPYRIGHTPROTECTED DOCUMENT @IS02023 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on or ISoO's member body in the country of the requester. ISO copyright office CP 40i : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email:[email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2023- All rights reserved