Reliability Levels Related to Different Reference Periods and Consequence Classes
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21610%2F18%3A00323873" target="_blank" >RIV/68407700:21610/18:00323873 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1002/best.201800039" target="_blank" >http://dx.doi.org/10.1002/best.201800039</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1002/best.201800039" target="_blank" >10.1002/best.201800039</a>
Alternative languages
Result language
angličtina
Original language name
Reliability Levels Related to Different Reference Periods and Consequence Classes
Original language description
The target reliability levels recommended in various national and international documents for new and existing structures are quite different and vaguely related to types of structures and consequences of failure. The optimum reliability levels can be obtained by considering the total expected cost of the structure over the design working life. Indicative values of reliability indexes are given in EN 1990 (2002) for two reference periods, 1 year and 50 years. The annual target reliability levels beta(t1) are presently indicated in the recent draft of EN 1990 (2017) without any explicit link to different reference period or design working life. When determining the target reliability index for the reference period of n years that generally differs from the design working life, correlation of failure events in subsequent years should be taken into account. Considering the annual reliability index beta(1) an approximate formula is proposed for the reliability index beta(nk) related to the reference period of n years and independence interval of k years. The independence interval k <= n corresponds to the mean time period in years for which the failures in subsequent periods of k years are assumed to be mutually independent. The operational use of the proposed formula is clarified by practical tools. The reliability differentiation reflected in consequence classes is also discussed in this contribution.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20101 - Civil engineering
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Beton- und Stahlbetonbau
ISSN
0005-9900
e-ISSN
1437-1006
Volume of the periodical
113
Issue of the periodical within the volume
September
Country of publishing house
DE - GERMANY
Number of pages
5
Pages from-to
22-26
UT code for WoS article
000444410900005
EID of the result in the Scopus database
2-s2.0-85053228438