Improvement of Performance Level of Steel Moment-Resisting Frames Using Tuned Mass Damper System

Applied Sciences

Reza Kamgar¹  Heisam Heidarzadeh¹  Masoud Dadkhah¹  Robert Jankowski²  Anna Jakubczyk-Gałczyńska² 

[1] Department of Civil Engineering, Shahrekord University, Shahrekord 88186-34141, Iran;Faculty of Civil and Environmental Engineering, Gdansk University of Technology, 80-233 Gdansk, Poland;

关键词: dynamic analysis;    steel frames;    Tuned Mass Damper;    optimization;    drift ratio;   

DOI  :  10.3390/app10103403

来源: DOAJ

【 摘 要 】

In this paper, parameters of the tuned mass dampers are optimized to improve the performance level of steel structures during earthquakes. In this regard, a six-story steel frame is modeled using a concentrated plasticity method. Then, the optimum parameters of the Tuned Mass Damper (TMD) are determined by minimizing the maximum drift ratio of the stories. The performance level of the structure is also forced to be located in a safety zone. The incremental dynamic analysis is used to analyze the structural behavior under the influence of the artificial, near- and far-field earthquakes. The results of the investigation clearly show that the optimization of the TMD parameters, based on minimizing the drift ratio, reduces the structural displacement, and improves the seismic behavior of the structure based on Federal Emergency Management Agency (FEMA-356). Moreover, the values of base shear have been decreased for all studied records with peak ground acceleration smaller or equal to 0.5 g.

【 授权许可】

Unknown