Coupled systems mechanics

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Dynamic response of cable-stayed bridges subjected to sudden failure of stays - the 2D problem

  • Raftoyiannis, I.G. (Department of Civil Engineering, National Technical University of Athens) ;
  • Konstantakopoulos, T.G. (Department of Civil Engineering, National Technical University of Athens) ;
  • Michaltsos, G.T. (Department of Civil Engineering, National Technical University of Athens)
  • Received : 2013.06.07
  • Accepted : 2013.09.14
  • Published : 2014.12.25
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Abstract

A significant problem met in engineering practice when designing cable-stayed bridges is the failure of cables. Many different factors can lead to sudden failure of cables, such as corrosion, continuous friction or abrasion, progressive and extended crevice created by fatigue and finally an explosion caused by sabotage or accident, are some of the causes that can lead to the sudden failure of one or more cables. This paper deals with the sudden failure of cables in a special form of cable-stayed bridges with a single line of cables anchored at the central axis of the deck's cross-section. The analysis is carried out by the modal superposition technique where an analytical method developed by the authors in a previous work has been employed.

Keywords

References

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