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Radar-based measurement of deflections on bridges and large structures: ambient vibration tests and operational modal analysis



Title: Radar-based measurement of deflections on bridges and large structures: ambient vibration tests and operational modal analysis
Author(s): C. Gentile, G. Bernardini
Paper category : conference
Book title: RILEM Symposium on On Site Assessment of Concrete, Masonry and Timber Structures - SACoMaTiS 2008
Editor(s): L. Binda, M. di Prisco, R. Felicetti
Print-ISBN: 978-2-35158-061-5
e-ISBN: 978-2-35158-075-2
Publisher: RILEM Publications SARL
Publication year: 2008
Pages: 495 - 505
Total Pages: 11
Nb references: 18
Language: English


Abstract: Recent progress in radar techniques and systems leaded to the development of an interferometric radar, suitable to the application in full-scale testing and monitoring of civil engineering structures. The main characteristic of the new radar system, named IBIS-S (Image By Interferometric Survey), is the possibility of simultaneously measuring the (static or dynamic) displacement of several points of a structure with high sensitivity. The new sensor and its working principles are described in a companion paper together with the results of live-load static tests performed on a full-scale bridge, recently completed in the neighbourhood of Forlanini Avenue (Milan, Italy). In this paper, the application of IBIS-S sensor to ambient vibration survey of the same bridge is presented and discussed.


Online publication: 2009-05-26
Publication type : full_text
Public price (Euros): 0.00


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