ISO 13824-2009 Bases for design of structures - General principles on risk assessment of systems involving structures《结构设计用依据 涉及结构的系统风险评估总则》.pdf
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1、 Reference number ISO 13824:2009(E) ISO 2009INTERNATIONAL STANDARD ISO 13824 First edition 2009-11-15 Bases for design of structures General principles on risk assessment of systems involving structures Bases du calcul des constructions Principes gnraux sur lvaluation du risque pour les systmes comp
2、renant des structures ISO 13824:2009(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes 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
3、 the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF fil
4、e 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 Secret
5、ariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO 2009 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writin
6、g from either ISO at the address below or ISOs 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 copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2009 All rights reservedISO 13824:20
7、09(E) ISO 2009 All rights reserved iiiContents Page Foreword .v Introductionvi 1 Scope1 2 Normative references1 3 Terms and definitions .2 4 General framework of risk assessment of systems involving structures.4 4.1 Overview of risk management of systems involving structures4 4.2 Applicability of ri
8、sk assessment6 5 Establishment of structural engineering context 6 5.1 Structural-engineering context 6 5.2 Establishment of design basis.7 5.3 Assessment of existing structures7 5.4 Assessment of exceptional structures or extraordinary events 7 5.5 Preparation of risk information for decision 7 6 D
9、efinition of system 8 6.1 Representation of the system 8 6.2 Identification of the subsystems .8 7 Identification of hazards and consequences8 7.1 Identification of possible hazards .8 7.2 Identification of extent of scenarios8 7.3 Identification of consequences8 7.4 Hazard screening.8 8 Risk estima
10、tion 9 8.1 Types of risk estimation .9 8.2 Data for estimation 10 8.3 Risk representation .10 8.4 Estimation of probability 10 8.5 Estimation of consequence11 8.6 Risk calculation .11 8.7 Sensitivity analysis .11 9 Risk evaluation 11 9.1 Risk acceptance 11 9.2 Risk criteria 12 10 Evaluation of optio
11、ns for risk treatment .12 10.1 General .12 10.2 Determination of options12 10.3 Assessment of options for risk treatment 13 10.4 Implementation of risk treatment.13 11 Report .13 Annex A (informative) Principles of risk assessment .14 Annex B (informative) Examples of extraordinary events and except
12、ional structures for risk assessment 18 Annex C (informative) Techniques for treatment of expert opinions 20 Annex D (informative) Examples of quantitative risk representation23 ISO 13824:2009(E) iv ISO 2009 All rights reservedAnnex E (informative) Equations for risk estimation.27 Annex F (informati
13、ve) Procedure for the estimation of consequences.31 Annex G (informative) Examples of measures for risk treatment 33 Annex H (informative) Examples of application of risk acceptance and optimization 36 Bibliography 42 ISO 13824:2009(E) ISO 2009 All rights reserved vForeword ISO (the International Or
14、ganization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been establ
15、ished has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardizati
16、on. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting.
17、 Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such pa
18、tent rights. ISO 13824 was prepared by Technical Committee ISO/TC 98, Bases for design of structures, Subcommittee SC 2, Reliability of structures. ISO 13824:2009(E) vi ISO 2009 All rights reservedIntroduction Recently, special attention has been has been focused on risk. Although risk assessment of
19、 structures is done with a common basis, it has been implemented under various contexts in diversified ways. Therefore, this International Standard provides a common basis for assessing risk relevant to design, assessment, maintenance and decommissioning of structures. This International Standard ac
20、cords with the umbrella International Standard of risk management being prepared as ISO 31000 by ISO/TMB. In a risk assessment, hazard identification and the estimation of consequence are primary major procedures. For these, it is necessary to assess the risk of systems involving structures rather t
21、han just the structures, since structural failure has significant consequence for systems, and a failure of systems such as fire protection systems can cause serious consequences. However, actions for risk treatment are taken within the scope of structural design. Such considerations are reflected i
22、n the title of this International Standard. This International Standard is intented to serve as a basic document, along with other relevant standards on risk management, for those assessing risk for systems involving structures. Annexes A to H of this International Standard are for information only.
23、 INTERNATIONAL STANDARD ISO 13824:2009(E) ISO 2009 All rights reserved 1Bases for design of structures General principles on risk assessment of systems involving structures 1 Scope This International Standard specifies general principles of risk assessment for systems involving structures. The focus
24、 is on strategic and operational decision-making related to design, assessment, maintenance and decommissioning of structures. This also includes formulation and calibration of related codes and standards. Systems involving structures can expose stakeholders at various levels in society to significa
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