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Extreme action effects in reinforced concrete bridges from monitoring

 Extreme action effects in reinforced concrete bridges from monitoring
Autor(en): , ORCID
Beitrag für IABSE Conference: Assessment, Upgrading and Refurbishment of Infrastructures, Rotterdam, The Netherlands, 6-8 May 2013, veröffentlicht in , S. 144-145
DOI: 10.2749/222137813806474642
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The need to maximise the lifetime of existing road bridges necessitates clear and efficient tools for engineers to perform structural safety verifications based on monitored data. This study develo...
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Bibliografische Angaben

Autor(en):
ORCID
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Conference: Assessment, Upgrading and Refurbishment of Infrastructures, Rotterdam, The Netherlands, 6-8 May 2013
Veröffentlicht in:
Seite(n): 144-145 Anzahl der Seiten (im PDF): 8
Seite(n): 144-145
Anzahl der Seiten (im PDF): 8
Jahr: 2013
DOI: 10.2749/222137813806474642
Abstrakt:

The need to maximise the lifetime of existing road bridges necessitates clear and efficient tools for engineers to perform structural safety verifications based on monitored data. This study develops methodologies for ultimate limit safety (ULS) verification of reinforced concrete elements using directly measured action effects. The paper incorporates results from a prestressed concrete highway bridge in Switzerland equipped with a structural health monitoring (SHM) system. The design considerations for the monitoring regime are presented. Estimates of the extreme traffic action effects for a given return period are obtained from daily block maxima results using a generalised extreme value approach. A number of factors are found to have a significant effect on the observed results, most notably the duration of monitoring.

Stichwörter:
Monitoring