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Application of viscous dampers for structural response reduction in building renovation

 Application of viscous dampers for structural response reduction in building renovation
Auteur(s): ,
Présenté pendant IABSE Congress: Structural Engineering for Future Societal Needs, Ghent, Belgium, 22-24 September 2021, publié dans , pp. 925-931
DOI: 10.2749/ghent.2021.0925
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This paper introduces a new idea in the reconstruction and continuation projects. By arranging damping devices, the additional damping of the structure is increased, thereby reducing the dynamic re...
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Détails bibliographiques

Auteur(s): (Department of Structural Engineering, Tongji University, Shanghai, China)
(Department of Structural Engineering, Tongji University, Shanghai, China Tongji Architectural Design (Group) Co., Ltd, Shanghai, China‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌‌)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Congress: Structural Engineering for Future Societal Needs, Ghent, Belgium, 22-24 September 2021
Publié dans:
Page(s): 925-931 Nombre total de pages (du PDF): 7
Page(s): 925-931
Nombre total de pages (du PDF): 7
DOI: 10.2749/ghent.2021.0925
Abstrait:

This paper introduces a new idea in the reconstruction and continuation projects. By arranging damping devices, the additional damping of the structure is increased, thereby reducing the dynamic response of the structure under the new seismic precautionary criterion. This paper focuses on the study of viscous dampers which one of the damping device, introduces the energy dissipation principle of viscous dampers, and combines a two-story plane frame case to analyze and compare the dynamic response between non-damping structure and damping structure. The location and quantity of the arrangement were compared with multiple models. Through analysis, it can be seen that by equipping with viscous dampers, seismic energy can be effectively dissipated, thereby reducing the workload of structural reinforcement and having less impact on the original structure. Finally, two commonly analysis methods in damping structures are studied, direct integration method and fast nonlinear analysis (FNA), the main differences between the two analysis methods are introduced, and the calculation results of the two methods are compared and analyzed.

Copyright: © 2021 International Association for Bridge and Structural Engineering (IABSE)
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