ISO INTERNATIONAL STANDARD 4302 Second edition 2016-10-01 Cranes Wind load assessment Appareils de levage a charge suspendue Evaluation des charges dues au vent Reference number IS0 4302:2016(E) ISO International Organization for Standardization @IS02016 vided by IHS under No reproduction or networking permitted without license from IHS IS0 4302:2016(E) COPYRIGHT PROTECTED DOCUMENT IS0 2016, Published in Switzerland All rights reserved. Unless otherwise specified, 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 Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org networking permited without license from IHS IS0 4302:2016(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references ..1 3 Terms, definitions, symbols and abbreviated terms. 4 Wind pressure .2 5 In-service wind. .3 5.1 General .3 5.2 Action of in-service wind on suspended load .3 5.3 Wind load calculations .4 5.4 Shape coefficients for individual members, frames, etc .4 5.5 Shielding factors - Multiple frames or members 5 5.6 Wind loads on individual members (inclined to the wind direction) 7 6 Out-of-service wind .7 6.1 General 7 6.2 Loads due to out-of-service wind .8 6.3 Equivalent static out-of-service wind pressure. ..8 6.4 Wind loads on individual members (inclined to the wind direction) ..9 6.5 Storm wind maps .9 Annex A (informative) Reference storm wind speeds ..11 Bibliography .22 ii thout license from IHS