General principles on reliability for structures

ISO 2394:2015 constitutes a risk- and reliability-informed foundation for decision making concerning design and assessment of structures both for the purpose of code making and in the context of specific projects.

Principes généraux de la fiabilité des constructions

General Information

Status
Published
Publication Date
03-Mar-2015
Current Stage
9020 - International Standard under periodical review
Start Date
15-Jul-2025
Completion Date
15-Jul-2025
Ref Project

Relations

Buy Standard

Standard
ISO 2394:2015 - General principles on reliability for structures
English language
111 pages
sale 15% off
Preview
sale 15% off
Preview

Standards Content (Sample)


INTERNATIONAL ISO
STANDARD 2394
Fourth edition
2015-03-01
General principles on reliability for
structures
Principes généraux de la fiabilité des constructions
Reference number
©
ISO 2015
© ISO 2015
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 or 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 2015 – All rights reserved

Contents Page
Foreword .vi
Introduction .vii
1 Scope . 1
2 Terms and definitions . 1
2.1 General terms . 1
2.2 Terms related to design and assessment . . 5
2.3 Terms related to actions, action effects, and environmental influences . 8
2.4 Terms related to structural response, resistance, material properties, and
geometrical quantities .11
3 Symbols .12
3.1 General .12
3.2 Latin upper case letters .12
3.3 Latin lower case letters.13
3.4 Greek letters .13
3.5 Subscripts .14
4 Fundamentals .14
4.1 General .14
4.2 Aims and requirements to structures .14
4.2.1 Fundamental requirements to structures .14
4.2.2 Target performance level .15
4.3 Conceptual basis .16
4.3.1 Decisions concerning structures .16
4.3.2 Structural performance modelling .17
4.3.3 Uncertainty and treatment of knowledge .17
4.4 Approaches.18
4.4.1 General.18
4.4.2 Risk-informed and reliability-based approaches .18
4.4.3 Semi-probabilistic approaches .20
4.5 Documentation .20
5 Performance modelling .21
5.1 General .21
5.1.1 Structural performance and limit state concept.21
5.1.2 Performance and performance indicators .21
5.1.3 Basic performance requirement and design situations .21
5.1.4 Levels of verification.21
5.2 Performance model .22
5.2.1 General.22
5.2.2 Time-dependent aspects .22
5.2.3 System aspects .22
5.3 Limit states .23
5.3.1 Ultimate limit state .23
5.3.2 Serviceability limit states .23
5.3.3 Condition limit states .24
5.3.4 Limit state function.24
Contents Page
6 Uncertainty representation and modelling .25
6.1 General .25
6.1.1 Types of uncertainty .25
6.1.2 Treatment of uncertainty .26
6.1.3 Interpretation of probability .26
6.1.4 Probabilistic models .26
6.1.5 Population/outcome space .26
6.1.6 Hierarchical modelling of uncertainty .27
6.2 Models for structural analysis .27
6.2.1 General.27
6.2.2 Actions and environmental influences .28
6.2.3 Geometrical properties .30
6.2.4 Material properties .30
6.2.5 Responses and resistances .31
6.3 Models for consequences .33
6.4 Model uncertainty .34
6.5 Experimental models .34
6.6 Updating of probabilistic models .35
7 Risk-informed decision making .35
7.1 General .35
7.2 System identification .35
7.3 System modelling .36
7.4 Risk quantification .36
7.5 Decision optimization and risk acceptance.36
8 Reliability-based decision making .37
8.1 General .37
8.2 Decisions based on updated probability measures .38
8.3 Systems reliability versus component reliability .38
8.4 Target failure probabilities .39
8.5 Calculation of the probability of failure .39
8.5.1 General.39
8.5.2 Time-invariant reliability problems .40
8.5.3 Transformation of time-variant into time-inva
...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.