TECHNICAL ISO/TS SPECIFICATION 16774-4 Second edition 2023-04 Test methods for repair materials for water-leakage cracks in underground concrete structures : Part 4: Test method for adhesion on wet concrete surface Méthodes d'essai pour materiaux de reparation pour fissures dues a I'eau dans les structures en beton souterraines Partie 4: Méthode d'essai de I'adhesion sur un substrat humide Reference number IS0/TS 16774-4:2023(E) ISO @ IS0 2023 IS0/TS16774-4:2023(E) COPYRIGHT PROTECTED 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 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 40i : 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 IS02023-Allrightsreserved IS0/TS 16774-4:2023(E) Contents Page Foreword. ..iv Introduction. .. 1 Scope. ..1 2 Normative references 3 Terms and definitions 4 Principle. ..1 5 Apparatus .2 6 Preparation .2 6.1 Test specimen assembly as artificial water-leakage crack .2 6.2 Ambient conditions. .3 3 7 Procedure 8 Expression of results ..3 9 Test report. .4 9.1 Information on the repair material of the test target ..4 9.1.1 General .4 9.1.2 Other information. ..4 9.2 Information on the test .4 Annex A (informative) Example test method .5 Bibliography .12 iii IS02023-Allrightsreserved