ISO INTERNATIONAL STANDARD 15673 Second edition 2016-12-01 Guidelines for the simplified design of structural reinforced concrete for buildings Lignes directrices pour la conception simplifiee du béton arme pour lesstructuresdebatiments Reference number ISO 15673:2016(E) X ISO @IS0 2016 IS0 15673:2016(E) COPYRIGHTPROTECTEDDOCUMENT @ 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 orIso'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 ii @IS02016-Allrightsreserved IS0 15673:2016(E) Contents Page Foreword .ix Introduction .X 1 Scope .1 2 Normative references 1 3 Terms and definitions 2 4 Symbols and abbreviated terms 13 4.1 Symbols .13 4.2 Abbreviatedterms .16 5 Design and construction procedure .17 5.1 Procedure 17 5.1.1 Step A 17 5.1.2 Step B. 17 5.1.3 Step C. .17 5.1.4 Step D. 17 5.1.5 Step E 17 5.1.6 Step F. 17 5.1.7 Step G 17 5.1.8 Step H. 17 5.1.9 Step I. 17 5.1.10 Step J. 18 5.1.11 Step K 18 5.2 Design documentation 19 5.2.1 General 19 5.2.2 Calculation memoir 19 5.2.3 Geotechnical report. 19 5.2.4 Structural drawings 19 5.2.5 Specifications 19 6 General guides 19 6.1 Limitations. 19 6.1.1 Occupancy. 19 6.1.2 Maximumnumberof stories 20 6.1.3 Maximum area perfloor. 20 6.1.4 Maximum story height 20 6.1.5 Maximum span length .20 6.1.6 Maximumdifference in span length 20 6.1.7 Minimum number of spans 21 6.1.8 Maximumcantileverspan. 21 6.1.9 Maximum slope for slabs, girders, beams and joists 21 6.1.10 Maximum slopeof theterrain 21 6.1.11 Distance between centre of mass and centre of rigidity 21 6.2 Limit states. 21 6.3 Ultimate limit state design format 21 6.3.1 21 General. 6.3.2 Required factored strength 22 6.3.3 Design strength 22 6.4 Serviceability limit state design format 22 7 Specific guides. 23 7.1 Structural systems and layout 23 7.1.1 Description ofthecomponentsofthestructure 23 7.1.2 General programme. 24 7.1.3 Structural layout. 25 7.1.4 Feasibility under the guidelines 28 IS02016-All rightsreserved ii