Theoretical Framework for Robustness Evaluation

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Abstract

This paper presents a theoretical framework for evaluation of robustness of structural systems, incl. bridges and buildings. Typically modern structural design codes require that ‘the consequence of damages to structures should not be disproportional to the causes of the damages’. However, although the importance of robustness for structural design is widely recognized the code requirements are not specified in detail, which makes the practical use difficult. This paper describes a theoretical and risk based framework to form the basis for quantification of robustness and for pre-normative guidelines. This includes different measures to quantify the level of robustness taking into account the reliability of the structural system and the consequences of failure. The robustness measures are: 1) risk-based, 2) reliability-based and 3) deterministic.
Original languageEnglish
Title of host publicationFull Papers : Taller, Longer, Lighter : meeting growing demand with limited resources : IABSE-IASS Symposium 2011
Number of pages8
Place of PublicationLondon
PublisherHemming Group Ltd.
Publication date2011
ISBN (Print)978-0-7079-7122-3
Publication statusPublished - 2011
EventThe 35th Annual Symposium of the IABSE 2011, the 52nd Annual Symposium of the IASS 2011 and incorporating the 6th International Conference on Space Structures - London, United Kingdom
Duration: 20 Sep 201123 Sep 2011

Conference

ConferenceThe 35th Annual Symposium of the IABSE 2011, the 52nd Annual Symposium of the IASS 2011 and incorporating the 6th International Conference on Space Structures
CountryUnited Kingdom
CityLondon
Period20/09/201123/09/2011

Bibliographical note

Published on a cd.

Keywords

  • Robustness
  • Risk
  • Reliability
  • Systems

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