Technology and Application for Modal Testing of Cable-Stayed Bridge

Yi Song Zou; Quan Hui Chang; Wei Peng

doi:10.4028/www.scientific.net/AMM.226-228.396

Paper Titles

Excitation Source Function of Ground Vibration from Urban Railway Traffic by an Inversion Procedure
p.374

Analysis on Vibrations due to High-Speed Railway Tunnel and Control Measures
p.381

The Characteristic Analysis of Vibration for High-Speed Train-Ballastless Track-Bridge System Base on A Hybrid FE-SEA Method
p.387

An Explanation on Mechanism of Local Amplification in Attenuation of Ground Vibration from Rail Traffic in Urban Area
p.392

Technology and Application for Modal Testing of Cable-Stayed Bridge
p.396

Numerical Simulation of the Vibration and Structure-Borne Noise of the Viaduct
p.401

Analysis on Vibration Reduction Characteristics of Ladder Track Structure on Metro Viaduct under Measured Track Irregularities
p.406

Simulation and Analysis for Environment Vibration Induced by Urban Rail Transit with Ground Line
p.411

Comparative Study on Aerodynamic Noise of Dimensionally Similar Locomotive Models of High Speed Trains
p.417

HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 226-228Technology and Application for Modal Testing of...

Technology and Application for Modal Testing of Cable-Stayed Bridge

Abstract:

In the cable-stayed bridge damage identification index based on the dynamic characteristics, it is the key and premises for cable-stayed bridge damage identification using dynamic index, how to extract the modal of structure exactly through optimal placement of sensors. This article uses simulated annealing, In line with the modal assurance criterion, extract mechanical analysis data of Zhangzhen cable-stayed bridge ANSYS finite element model and obtain optimized acceleration sensor layout scheme of main beam. Based on this optimization scheme we carry out a dynamic characteristics test on Zhangzhen cable-stayed bridge. Through the comparison between observation results and calculation results, we find they are very closely. To verify that the simulated annealing algorithm based on modal assurance criterion used in cable-stayed bridge acceleration sensors optimized is effective, viable, and correct.

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Periodical:

Applied Mechanics and Materials (Volumes 226-228)

Pages:

396-400

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.226-228.396

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Online since:

November 2012

Authors:

Yi Song Zou, Quan Hui Chang, Wei Peng

Keywords:

Acceleration Sensor Placement Optimization, Field Dynamic Characteristics Test, Modal Assurance Criterion, Simulated Annealing Algorithm

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