ISO INTERNATIONAL STANDARD 15835-2 Second edition 2018-10 Steels for the reinforcement of concrete Reinforcement couplers for mechanical splices of bars - Part 2: Test methods Aciers pour I'armature du beton-Coupleurs d'armature destines auxraboutagesmécaniquesdebarres- Partie2:Méthodesd'essai Reference number ISO 15835-2:2018(E) ISO @ IS0 2018 IS015835-2:2018(E) COPYRIGHTPROTECTEDDOCUMENT IS02018 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: +4122.749 0111 Fax: +41 22 749 09 47 Email:[email protected] Website: www.iso.org Published in Switzerland ii IS02018-Allrights reserved IS0 15835-2:2018(E) Contents Page Foreword iv 1 Scope 1 2 Normative references. .1 3 Terms and definitions .1 4 Symbols .1 5 Testing of mechanical splices 2 5.1 General. 2 5.2 Preparationoftestpieces 2 5.3 Tensile test. 3 5.3.1 General.. 3 5.3.2 Testing equipment 3 5.3.3 Test procedure 3 5.3.4 Failure mode and location 4 5.4 Slip test. 4 5.4.1 General. 4 5.4.2 Testing equipment 4 5.4.3 Test procedure 4 5.4.4 Evaluationof slipunderOption1as defined in IS015835-1 5 5.4.5 Evaluationof slip under Option2asdefined inIS015835-1 5 5.5 High-cycle fatigue test. 6 5.5.1 Principle of the test. 6 5.5.2 S-N diagram. 6 5.6 Low-cycle loading test 7 5.7 Identification and marking 8 6 Test report. 8 @ IS0 2018 - All rights reserved iii