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Study on Equivalent Damping Ratio of Shenzhen Baoan International Airport T3 Terminal

Yang, Yu Chen / Gu, Lei / Zhu, Zhong Yi / Qin, Kai / Zhang, Lin

Today, the structures constituted by different materials, increase more and more, especially the lower part is concrete, the upper is steel. For this type of structural system, modal damping matrix is non-diagonal matrix, the earthquake response equation is coupled on the modal damping matrix, the modal coupling of the non-proportional damping system leads to the traditional real modal analysis methods not be directly applied. For such structure, the changes of the damping ratio are analyzed in this article. Finally, the equivalent damping ratio of Shenzhen Airport is obtained using the energy theory.

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Study on Equivalent Damping Ratio of Shenzhen Baoan International Airport T3 Terminal

Yang, Yu Chen / Gu, Lei / Zhu, Zhong Yi / Qin, Kai / Zhang, Lin

Today, the structures constituted by different materials, increase more and more, especially the lower part is concrete, the upper is steel. For this type of structural system, modal damping matrix is non-diagonal matrix, the earthquake response equation is coupled on the modal damping matrix, the modal coupling of the non-proportional damping system leads to the traditional real modal analysis methods not be directly applied. For such structure, the changes of the damping ratio are analyzed in this article. Finally, the equivalent damping ratio of Shenzhen Airport is obtained using the energy theory.

Study on Equivalent Damping Ratio of Shenzhen Baoan International Airport T3 Terminal

Yang, Yu Chen / Gu, Lei / Zhu, Zhong Yi / Qin, Kai / Zhang, Lin

Today, the structures constituted by different materials, increase more and more, especially the lower part is concrete, the upper is steel. For this type of structural system, modal damping matrix is non-diagonal matrix, the earthquake response equation is coupled on the modal damping matrix, the modal coupling of the non-proportional damping system leads to the traditional real modal analysis methods not be directly applied. For such structure, the changes of the damping ratio are analyzed in this article. Finally, the equivalent damping ratio of Shenzhen Airport is obtained using the energy theory.

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Order at Subito €

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Title:

Study on Equivalent Damping Ratio of Shenzhen Baoan International Airport T3 Terminal

Contributors:

Yang, Yu Chen / Gu, Lei / Zhu, Zhong Yi / Qin, Kai / Zhang, Lin

Published in:

Advanced Materials Research ; 446-449 ; 871-877

Publication date:

2012-01-24

Size:

7 pages

ISSN:

1662-8985 , 1022-6680

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.446-449.871

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Non-Proportional Damping , Energy Method , Equivalent Damping Ratio , Modal Damping

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