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Research on Application of Viscous Dampers Used in Retrofitting

Author: WangYiFang
Tutor: XiongHaiBei
School: Tongji University
Course: Structural Engineering
Keywords: Viscous dampers Damping ratio Damping effect Seismic strengthening Time history analysis
CLC: TU746.3
Type: Master's thesis
Year: 2006
Downloads: 270
Quote: 6
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Abstract


Old buildings function and durability issues solution depends on the reinforcement and reconstruction of the original structure , the use of the damper damping provides a new way for seismic strengthening , national experts and scholars are actively committed to the technology research and development and promote the application of one of the damper optimization settings is the research content . Damper optimization settings , including damper parameter optimization and location optimization of two aspects, the paper focuses on the latter study , the main contents are as follows : 1, several common viscous damper and its viscous damper mechanical model of Energy Dissipation design calculation method, a detailed introduction of fast nonlinear time history analysis . 2 This paper theoretically clarify the viscous dampers to reduce energy consumption speed index can improve the damper effect , and stressed that the damping ratio control is one of the the Energy Dissipation optimization design based on . 3 , the optimization of the damper is an important part of the seismic energy dissipation design process , this paper presents the position of the damper optimization theory and computational methods , and an instance of the reconstruction project to explore the viscous damper position optimization problem . The results show that the position of the damper optimized energy consumption results improve and verify the effectiveness of the dampers used in seismic reinforcement . 4 , combined with the results of this analysis , draw some useful recommendations and conclusions , and propose further research .

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CLC: > Industrial Technology > Building Science > Construction > Construction Technology > Building maintenance,repair,demolition > Maintenance, alteration,renovation of the buildings
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