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Modellkorrekturfaktoren als "Performance Indikatoren" für die Langzeitbewertung der integralen Marktwasserbrücke S33.24

Author(s):




Medium: journal article
Language(s): de 
Published in: Beton- und Stahlbetonbau, , n. 4, v. 106
Page(s): 231-240
DOI: 10.1002/best.201100003
Abstract:

Monitoring and Influence Lines Based Performance Indicators

Monitoring is of most practical significance for the design and assessment of new as well as of existing engineering structures. Practical experience and observations show that monitoring can provide the basis for new code specifications or efficient maintenance programs. Moreover, monitoring systems can avoid considerable costs of repairs and inconvenience to the public due to interruptions. This gives rise to the need for a thorough investigation to achieve an effective implementation of recorded monitoring data in numerical or analytical structural models that allow the detection of a deviant behavior from the proposed and the detection of initial deterioration processes. This study attempts to derive a concept for the effective incorporation of monitoring information in numerical models based on the concept of model correction factors. In particular, these studies are performed on the abutment free bridge structure S33.24 that has been proof loaded in February 2010 and monitored since December 2008. A merit of models derived based on monitoring data is that they are directly related to performance indicators which can be used for the assessment of the existing structural capacity and for an efficient life cycle analysis.

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  • About this
    data sheet
  • Reference-ID
    10064978
  • Date created
    22/06/2011
  • Last Update
    13/08/2014