The static characters forecasted by dynamic parameters of structures

Jian-Gang Han; Tian-Yin Xiao

doi:10.1117/12.839021

24 August 2009 The static characters forecasted by dynamic parameters of structures

Jian-Gang Han, Tian-Yin Xiao

Proceedings Volume 7375, ICEM 2008: International Conference on Experimental Mechanics 2008; 73750H (2009) https://doi.org/10.1117/12.839021
Event: International Conference on Experimental Mechanics 2008 and Seventh Asian Conference on Experimental Mechanics, 2008, Nanjing, China

Abstract

Loading test method is a tool for checking and assessing bridge structural active state. By dynamic and static loading test the responses of bridge can be obtained, which can be used to assess the practical carrying capacity and stress performance of structures. The loading test is the most reliable method for assessing the performance of bridge. The static tests usually need more time and cost. But bridge ambient vibration test has an advantage of being simple, fast and cheap, which can be implemented simply by measuring the responses data. The ambient vibration test has been widely used in bridge structural detection. This paper will put forward a new analysis method which will forecast the structural static characters by the dynamic parameters of structures. This method can reduce the loading test cost. The structural performance can be forecasted simply by the dynamic parameters. First of all, the structural dynamic parameters, for example frequencies, damping and model shape, can be obtained from the ambient test of structures. Then the relation between the static characters and dynamic parameters will be established. Finally the static performance can be forecasted by the dynamic parameters.

Citation Download Citation

Jian-Gang Han and Tian-Yin Xiao "The static characters forecasted by dynamic parameters of structures", Proc. SPIE 7375, ICEM 2008: International Conference on Experimental Mechanics 2008, 73750H (24 August 2009); https://doi.org/10.1117/12.839021

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