ISO INTERNATIONAL STANDARD 14346 Firstedition 2013-03-15 Static design procedure for welded hollow-section joints Recommendations Procedure statique de conception des joints soudés a section creuse - Recommandations Reference number IS0 14346:2013(E) ISO Copyright Intemational Organization for Standardization @IS02013 No reproduct Not for Resale IS0 14346:2013(E) COPYRIGHTPROTECTEDDOCUMENT IS02013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form orby any means,electronic or mechanical, including photocopying,or posting on the internet or an intranet, withoutprior writtenpermission.Permission canbe requested from either Iso at the address below or Iso's member body in the country of the requester. ISO copyright office Case postale 56:CH-1211Geneva 20 Tel.+4122 749 0111 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland oyighmationaiganizatinfStandadizain @ IS0 2013 - All rights reserved No reproductionornetworking permited without iense from IHs Not for Resale IS0 14346:2013(E) Contents Page Foreword ..V 1 Scope. .1 2 Normativereferences .1 3 Terms and definitions .1 4 Symbols and abbreviated terms. .2 5 Requirements .5 6 Materials. .12 7 Joint types. .13 8 Joint classification. .19 9 Limit states design .23 10 Partial load and safety factors for loads and resistances .24 11 Static design procedures .24 11.1 General 24 11.2 Design member forces 24 11.3 Design resistance. 24 11.4 Design criteria 25 12 Design member forces. .25 12.1 Analysis methods 25 12.2 Design member forces .26 13 Design criteria. .26 13.1 Failuremodes 26 13.2 Uniplanar joints. 26 13.3 Uniplanar overlap joints with a CHS, RHS, I- or H-section chord. 28 13.4 Special uniplanar joints 29 13.5 Multiplanarjoints 30 14 Design resistance of uniplanar CHS braces to CHS chord joints. .30 14.1 Design axial resistance 30 14.2 Design moment resistance. 31 15 Design resistance of uniplanar gusset plates, I- or H-section braces or RHS braces to CHS chord joints .32 16 Design resistance of multiplanar joints with CHS chord .33 17 Design resistance of uniplanar RHS braces or CHS braces to RHS chord joints .34 17.1 Design axial resistance. .34 17.2 Design moment resistance .36 18 Design resistance of uniplanar SHS or CHS braces to SHS chord joints. .37 18.1 Design axial resistance .37 18.2 Design moment resistance .38 19 Design resistance of uniplanar gusset plate to RHS joints. .38 20 Design resistance of multiplanar joints with RHS chord. .39 21 Design resistance of uniplanar CHS or RHS braces to I- or H-section chord joints .40 21.1 Design axial resistance 40 21.2 Design moment resistance. 42 22 Design resistance of uniplanar overlap joints with a CHS, RHS, I- or H-section chord. .42 Annex A (informative) Quality requirements for hollow sections .46 CopyightIntemalioal Organizatio for standardization - All rights reserved ii No reproduction or networking permitted withoutlicense from IHS Not for Resale