Use of FBG sensors for monitoring cracks of the equestrian statue of Bartolomeo Colleoni in Venice
The Bartolomeo Colleoni monument suffered for years damage from the local climate. The process of restoring the Colleoni equestrian statue, started in 2003, allowed to understand how the bronze statue was originally cast and manufactured and the techniques used in its construction. During this pro...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Gruppo Italiano Frattura
2014-10-01
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| Series: | Fracture and Structural Integrity |
| Subjects: | |
| Online Access: | http://www.gruppofrattura.it/pdf/rivista/numero30/numero_30_art_7.pdf |
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| Summary: | The Bartolomeo Colleoni monument suffered for years damage from the local climate. The process
of restoring the Colleoni equestrian statue, started in 2003, allowed to understand how the bronze statue was
originally cast and manufactured and the techniques used in its construction. During this process a relevant
crack on the right foreleg was investigated in correspondence of the cast-on joining the right foreleg to the front
portion of the horse body. The crack was investigated experimentally by Fiber Bragg Grating (FBG) sensors,
avoiding any modelling because of the very complex structure of the statue. An array of FBG sensors connected
in series was glued on the crack with the aim of capturing live information about the effect of applying stress on
the crack opening. The monitoring system was successfully tested during repositioning of the RIDER on the
horse and is available for long term inspection of the crack opening evolution. |
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| ISSN: | 1971-8993 1971-8993 |