ISO INTERNATIONAL STANDARD 22966 First edition 2009-11-15 Execution of concrete structures Exécution des structures en béton Reference number ISO 22966:2009(E) @ISO2009 ISO22966:2009(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF fle can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below COPYRIGHTPROTECTEDDOCUMENT @ ISO2009 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's member body in the country of the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland ii @ ISO 2009 - All rights reserved ISO 22966:2009(E) Contents Page Foreword Introduction. .vi 1 Scope 2 Normative references.. 3 Terms and definitions . 4 Execution management 4.1 Assumptions... 4.2 Documentation .... 4.3 4.4 Action in the event of a non-conformity 5 Falsework and formwork .. 5.1 Basic requirements ... .8 5.2 .9 5.3 Design and installation of falsework ... 9 5.4 Design and installation of formwork .. 9 5.5 Special formwork.... 10 5.6 Inserts in formwork and embeded components.................. 10 5.7 Removalofformworkandfalsework.... 10 6 Reinforcement . 6.1 General 6.2 Materials .... 6.3 Bending, cutting, transport and storage of the reinforcement.... 12 6.4 Welding.... 13 6.5 Joints... 6.6 Assembly and placing of the reinforcement....... 13 Prestressing... 13 7.1 General ..... 7.2 Materials for prestressing. 14 7.3 Transport and storage ... 15 7.4 Installation of tendons ........ 15 7.5 Tensioning ... .16 7.6 Protective measures (grouting, greasing). 8 Concreting... 18 8.1 Specification of concrete.... 18 8.2 Pre-concreting operations..... 8.3 Delivery, reception and site transport of fresh concrete ... 19 8.4 Placing and compaction .. 19 8.5 Curing and protection ...... 20 8.6 Post-concreting operations... 22 8.7 Concreting of composite structures ... 22 8.8 Surface finish.... 22 9 Execution with precast concrete elements.. 22 9.1 9.2 Factory produced precast elements... 22 9.3 Site-manufactured precast elements 22 9.4 Handling and storage...... 23 9.5 Placing and adjustment ... .23 Iso 2009-All rights reserved ili