ISO INTERNATIONAL STANDARD 19426-5 First edition 2018-05 Structures for mine shafts - Part 5: Shaft system structures Structures de puits de mine - Partie 5: Structures des réseaux de puits Reference number ISO 19426-5:2018(E) International Organization for Standardization Shenzhen Insttute of Standards and Technology 9972181 @IS02018 ards Bodies IS0 19426-5:2018(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2018 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 CP401·Ch.deBlandonnet8 CH-1214 Vernier, Geneva Phone:+4122 749 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ganizationfor Standardization ensee-Shenzhen Instute of Standards andecISog&- All rights reserved rious National Standards Bodies IS0 19426-5:2018(E) Contents Page Foreword ..V Introduction. ...vi 1 Scope. 2 Normative references 3 Terms and definitions 4 Symbols. ..2 5 Materials ..5 6 Nominal loads. ..5 6.1 Permanent loads ..5 6.1.1 Self-weight .5 6.1.2 Brow beams and sidewall support structures .5 6.1.3 Pipe supports. 6.1.4 Conveyor supports .6 6.2 Imposed loads and load effects. 6.2.1 General. .6 6.2.2 Guide support structures 6.2.3 Fixed flare guides ..12 6.2.4 Station structures. .12 6.2.5 Rock loading structures. ..13 6.2.6 Operational arresting structures .15 6.2.7 Station dropsets. .15 6.2.8 Pipe supports. ..16 6.2.9 Rope guide and rubbing rope anchor supports ..16 6.2.10 Bratticewalls ..16 6.2.11 Strain loading. ..17 6.2.12 Ladderway loading. ..17 6.2.13 Conveyance drop test loads .17 6.2.14 Earthquake loads. ..17 6.3 Emergency loads .18 6.3.1 Emergency arresting structures. .18 6.3.2 Emergency stopping devices. .18 6.3.3 Pipe supports .18 6.3.4 Spillage winch support and sheave support structures ..18 6.3.5 Bratticewalls. ..18 6.3.6 Impact load on protective platforms .19 7 Design procedures. .19 7.1 Design loads .19 7.2 Design codes .19 7.3 Design of emergency arresting structures. .19 7.4 Design of emergency stopping device supports .20 7.5 Special design requirements for shaft steelwork in different shaft zones .20 7.5.1 Shaft zones 20 7.5.2 Shaft steelwork within shaft zone A. 20 7.5.3 Shaft steelwork within shaft zone B. 20 7.5.4 Shaft steelwork within shaft zone C 20 7.5.5 Shaft steelwork within shaft zone D 20 7.6 Additional limit states. .20 7.6.1 Lateral displacement of conveyance .20 7.6.2 Fatigue .21 7.6.3 Rebound velocity ratio. .21 7.6.4 Amplification of loads and load effects. .21 7.7 Provision for wear and corrosion. 23 ntemaonalanizatinAll rights reserved iii ee=Shenzhen Insttute of Standards and Technology 9972181 Not for Resale, 2018/8/23 07:44:4