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Title

A SEMI ACTIVE CONTROL STRATEGY FORSEISMIC TORSIONALLY COUPLEDBUILDING STRUCTURES

A SEMI ACTIVE CONTROL STRATEGY FORSEISMIC TORSIONALLY COUPLEDBUILDING STRUCTURES
Year: 1394
COI: SEE07_457
Language: EnglishView: 119
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Authors

Mohamad M. ZAFARANI - Faculty of Civil Engineering, Isfahan university of Technology, Isfahan, Iran
Amir M. HALABIAN - Faculty of Civil Engineering, Isfahan University of Technology, Isfahan, Iran
Saeed BEHBAHANI - Faculty of Mechanical Engineering, Isfahan University of Technology, Isfahan, Iran

Abstract:

This paper addresses the effects of different semi-active control strategies on seismic responses of onestory,asymmetric-plan systems. The Magneto-Rheological (MR) dampers have been used as a semi-active control device in numerous researches both for symmetric and asymmetric buildings due to their attractive characteristics. However, one can show that the level of reduction in seismic torsional responses of asymmetric buildings is strongly affected by the plan asymmetric parameters of the building. To examine the effect of asymmetry on the dynamic behavior of a controlled typical structure, a parametric study is performed using a mathematical model of a one-story building with an asymmetric stiffness distribution in one direction. The model is subjected to a uniaxial lateral disturbance, exciting both lateral and torsional motions. Due to the highly nonlinear dynamic behavior of MR dampers, existing uncertainty of seismic excitation and also torsional behavior of the systems, development of a robustness control algorithm is found as a significant challenge. Therefore application of optimal strategy to create an admissible control algorithm and attain the desired level of performance is also investigated in this study. In order to evaluate the effectiveness of the proposed methods, the performances of semi-active controllers are compared with some other control algorithms in a numerical example.

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This Paper COI Code is SEE07_457. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1132658/

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If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
ZAFARANI, Mohamad M. and HALABIAN, Amir M. and BEHBAHANI, Saeed,1394,A SEMI ACTIVE CONTROL STRATEGY FORSEISMIC TORSIONALLY COUPLEDBUILDING STRUCTURES,7th International Conference on Seismology and Earthquake Engineering,Tehran,https://civilica.com/doc/1132658

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Type of center: دانشگاه دولتی
Paper count: 14,859
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