Robustness of Structures: Danish Approach

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Abstract

This paper describes the background of the robustness requirements implemented in the Danish Code of Practice for Safety of Structures and in the Danish National Annex to the Eurocode 0, see (DS-INF 146, 2003), (DS 409, 2006), (EN 1990 DK NA, 2007) and (Sørensen and Christensen, 2006). More frequent use of advanced types of structures with limited redundancy and serious consequences in case of failure combined with increased requirements to efficiency in design and execution followed by increased risk of human errors has made the need of requirements to robustness of new structures essential. According to Danish design rules robustness shall be documented for all structures in high consequence class. The design procedure to document sufficient robustness consists of: 1) Review of loads and possible failure modes / scenarios and determination of acceptable collapse extent; 2) Review of the structural systems and identification of key elements; 3) Evaluation of the sensitivity of essential parts of the structure to unintentional loads and defects; 4) Documentation of robustness by ‘failure of key element’ analysis; 5) Documentation of robustness by increasing the strength of key elements if step 4 is not possible.
Original languageEnglish
Title of host publicationProceedings of COST actions ‘Robustness of structures'
Number of pages10
PublisherThe COST actions
Publication date2008
Pages159-168
Publication statusPublished - 2008
EventRobustness of Structures : COST Action TU0601 - Zurich, Switzerland
Duration: 4 Feb 20085 Feb 2008

Conference

ConferenceRobustness of Structures : COST Action TU0601
Country/TerritorySwitzerland
CityZurich
Period04/02/200805/02/2008

Bibliographical note

Published in a printed proceedings and on a cd.

Keywords

  • Roustness of Structure
  • Danish Approach
  • Eurocode 0

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