Modal Parameter Identification of Concrete Filled Steel Tube Arch Bridge Based on Stochastic Subspace Method

Li Xian Wang; Sheng Kui Di

doi:10.4028/www.scientific.net/AMR.919-921.325

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 919-921Modal Parameter Identification of Concrete Filled...

Modal Parameter Identification of Concrete Filled Steel Tube Arch Bridge Based on Stochastic Subspace Method

Abstract:

Based on stochastic subspace method, the natural frequency of the bridge arch rib, damping ratios and vibration mold parameter was obtained by modal parameter identification of a concrete filled steel tubular arch bridge under ambient excitation, and the Midas Civil finite element software was used to establish a computational model of the bridge. Measured results and calculated results were compared, and the reliability of the identification results have been verified, the identified dynamic properties can be served as the basis in the finite element model updating, damage detection, condition assessment and health monitoring of the bridge.

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Periodical:

Advanced Materials Research (Volumes 919-921)

Pages:

325-328

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.919-921.325

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Online since:

April 2014

Authors:

Li Xian Wang, Sheng Kui Di

Keywords:

Ambient Vibration, Arc Bridge Rib, Modal Analysis, Stochastic Subspace Method

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