Using Non Continuous Records from Full Scale Monitoring System for Fatigue Assessment

Olivier Flamand 1 Fabrice De Oliveira 1 Aris Stathopoulos-Vlamis 2 Panayotis Papanikolas 2 Akis Panagis 2
1 CSTB - Centre Scientifique et Technique du Bâtiment [Nantes]
2 Gefyra
Abstract : Monitoring systems are prone to record huge amount of data, only a minor part of which could be of interest. Maintaining a giant data base from the monitoring system of a large structure equipped with dozens of sensors is a costly challenge. One way for solving this question lies in discarding everything that does not enter in the scope of what was considered as """"interesting event"""" at the design stage, with a big risk of missing an unattended but essential event. Another way could be to store less data, making a kind of """"survey"""" instead of recording continuously, with a possibility to rebuild events from the discontinuous records. This way of doing is suitable in the case of minutes lasting phenomena only, it is clear that a sudden and brief phenomenon could be missed in such a configuration. This method was used in the case of vortex shedding excitation of the deck of a large cable stayed bridge, in order to rebuild the history
Keywords : Monitoring Statistical methods Civil engineering SHM applications
Type de document :
Communication dans un congrès
Le Cam, Vincent and Mevel, Laurent and Schoefs, Franck. EWSHM - 7th European Workshop on Structural Health Monitoring, Jul 2014, Nantes, France. 2014
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Olivier Flamand, Fabrice De Oliveira, Aris Stathopoulos-Vlamis, Panayotis Papanikolas, Akis Panagis. Using Non Continuous Records from Full Scale Monitoring System for Fatigue Assessment. Le Cam, Vincent and Mevel, Laurent and Schoefs, Franck. EWSHM - 7th European Workshop on Structural Health Monitoring, Jul 2014, Nantes, France. 2014. 〈hal-01022051〉

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