ISO INTERNATIONAL STANDARD 8686-2 Second edition 2018-06 CranesDesignprinciplesforloads andloadcombinations- Part 2: Mobile cranes Appareils de levage a charge suspendue-Principes de calcul des charges etdes combinaisonsdecharge- Partie2:Gruesmobiles Referencenumber IS08686-2:2018(E) ISO2018 Copyright Int Noreprot sefromIHS Not for Resale, 07/10/2018 05:53:38 MDT IS08686-2:2018(E) COPYRIGHTPROTECTEDDOCUMENT ISO2018 All rights reserved. Unless otherwise specified, orrequired in the context of its implementation,no part ofthis publication may bereproduced orutilized otherwise in anyformorbyanymeans,electronic ormechanical,includingphotocopying,orposting on the internet or an intranet,without prior written permission.Permission can be requested from eitherIsO at the address beloworISo'smemberbodyinthecountryoftherequester. ISO copyright office CP401:Ch.deBlandonnet8 CH-1214 Vernier, Geneva Phone:+41227490111 Fax:+41227490947 Email:[email protected] Website:www.iso.org Published in Switzerland CISo2018-Allrightsreserved Not for Resale, 07/10/2018 05:53:38 MDT IS08686-2:2018(E) Contents Page Foreword iv 1 1 Scope 2 Normativereferences .1 3 Terms anddefinitions 4 Choiceofloadsandloadcombinations 2 4.1 Basicconsiderations 2 4.2 Simultaneousaccelerations 2 4.3 Side loading 2 4.4 Erectionanddismantling 2 4.5 Automaticallyinitiatedactions 3 5 Loadsfromaccelerationofcranedrives 3 5.1 General. 3 5.2 Slewingeffects 3 5.3 Hoisting effects 3 5.4 Driving effects. 4 5.4.1 Drivingacceleration 4 5.4.2 Drivingonunevensurface 4 5.5 Luffingandtelescopingeffects 4 5.6 Applicationofloadscausedbyacceleration 4 6 Proof-of-competencecalculationsforload-supportingstructures 4 6.1 General 4 6.2 Allowablestressmethod 6.3 Limitstatemethod .4 7 Side-load deflectionoflatticedbooms .4 AnnexA(informative)Simultaneousaccelerations .10 AnnexB (informative)ApplicationofloadcombinationsgiveninTable1 .14 ii No reproduction or networking permited without license from IHS Not for Resale, 07/10/2018 05:53:38 MDT