The Applied Research on TMD Control in Structures for Seismic Protection

Hong Zhang; Hong Yan Zhang

doi:10.4028/www.scientific.net/AMR.163-167.2903

Paper Titles

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Stress and Strain Concentrations in an Elastic Bar of Circular Cross-Section with Semielliptic Groove Subjected to Tension
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The Applied Research on TMD Control in Structures for Seismic Protection
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Capillary Absorption of Liquid by Powder Compact and its Application on Preparation of Repeatable Cement Compacts
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Equidirectional Umbrella Diameter Changing Mechanism for Ultrasonic Inspection of Seabed Pipelines
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 163-167The Applied Research on TMD Control in Structures...

The Applied Research on TMD Control in Structures for Seismic Protection

Abstract:

Based on the theoretical analysis of the dynamic parameters of multi-DOF complex structures, it is shown that the optimum TMD parameters under the harmonic base excitation are not the exact optimization for seismic protection, whose main reason is that the optimum damping ratio of TMD for seismic protection is obviously lower than that under the harmonic base excitation. In this paper, an effective TMD design method is developed to control the seismic responses of many-degree-of-freedom complex structures. The EI-Centro seismic wave is introduced as the excitations and the approach to determining the optimum TMD parameters for seismic protection is effectively solved. Then with the case to design the TMD of a series reactor, the optimum TMD parameters for seismic protection are obtained. Its result proves that the designed TMD is able to reduce the seismic responses of the series reactor significantly, and this approach can provide a reference for the TMD design for seismic protection of other multi-DOF structures.

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Periodical:

Advanced Materials Research (Volumes 163-167)

Pages:

2903-2909

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.163-167.2903

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Online since:

December 2010

Authors:

Hong Zhang, Hong Yan Zhang

Keywords:

Control, Optimization Design, Seismic Vibration, TMD

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