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An Application of Bragg grating array to measure real-time scour depth at river bridges

An Application of Bragg grating array to measure real-time scour depth at river bridges
Auteur(s): , , , ,
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Présenté pendant IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010, publié dans , pp. 354-355
DOI: 10.2749/222137810796024899
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The paper presents an innovative method to measure real-time scour depths around river bridge structures under both ordinary and flood conditions. The new approach adopts an array of temperature se...
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Détails bibliographiques

Auteur(s):




Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010
Publié dans:
Page(s): 354-355 Nombre total de pages (du PDF): 7
Page(s): 354-355
Nombre total de pages (du PDF): 7
Année: 2010
DOI: 10.2749/222137810796024899
Abstrait:

The paper presents an innovative method to measure real-time scour depths around river bridge structures under both ordinary and flood conditions. The new approach adopts an array of temperature sensors based on optical fiber technology (Fiber Bragg Grating), located close to the immersed structure. Experimental laboratory tests are presented and results discussed, demonstrating the performance of the system in a variety of possible geometrical and flow conditions. Small-scale results are extremely encouraging with respect to the possibility of applying the technology to field cases.