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Identification of Wind-Excited Suspension Bridges for SHM: a Feasibility Study

 Identification of Wind-Excited Suspension Bridges for SHM: a Feasibility Study
Autor(en): , , ,
Beitrag für IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010, veröffentlicht in , S. 290-291
DOI: 10.2749/222137810796024673
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The paper presents an investigation on the accuracy of a sophisticated system identification technique in providing the modal parameters of wind-excited suspension bridges, using pseudo- experiment...
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Autor(en):



Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010
Veröffentlicht in:
Seite(n): 290-291 Anzahl der Seiten (im PDF): 8
Seite(n): 290-291
Anzahl der Seiten (im PDF): 8
Jahr: 2010
DOI: 10.2749/222137810796024673
Abstrakt:

The paper presents an investigation on the accuracy of a sophisticated system identification technique in providing the modal parameters of wind-excited suspension bridges, using pseudo- experimental data. The aim is to quantify the bias produced by colored wind excitations, measurement noise and wind-structure interaction effects on the modal parameter estimates. In addition, as the accurate estimation of structural damping ratios is a priority for safety evaluations and structural health monitoring of long-span bridges, a particular attention is posed on the feasibility of the considered system identification technique for separating structural from aerodynamic damping.

Stichwörter:
Wind Brücken

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