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Selection and design of wind and earthquake double-excitation vibration mitigation system using fluid viscous dampers for steel residential towers

 Selection and design of wind and earthquake double-excitation vibration mitigation system using fluid viscous dampers for steel residential towers
Author(s): , , ,
Presented at IABSE Symposium: Construction’s Role for a World in Emergency, Manchester, United Kingdom, 10-14 April 2024, published in , pp. 1067-1076
DOI: 10.2749/manchester.2024.1067
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Fluid viscous dampers can be utilized to control structural vibration as well as to meet the requirements of structural stiffness and strength under both wind and seismic excitations. As they can o...
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Bibliographic Details

Author(s): (Tongji Architectural Design (Group) Co., Ltd., Shanghai, China)
(Structural Engineering Department, Tongji University, Shanghai, China Tongji Architectural Design (Group) Co., Ltd., Shanghai, China)
(China Overseas Property Group Co., Ltd., Shenzhen, China)
(China Overseas Property Group Co., Ltd., Shenzhen, China)
Medium: conference paper
Language(s): English
Conference: IABSE Symposium: Construction’s Role for a World in Emergency, Manchester, United Kingdom, 10-14 April 2024
Published in:
Page(s): 1067-1076 Total no. of pages: 10
Page(s): 1067-1076
Total no. of pages: 10
DOI: 10.2749/manchester.2024.1067
Abstract:

Fluid viscous dampers can be utilized to control structural vibration as well as to meet the requirements of structural stiffness and strength under both wind and seismic excitations. As they can operate with a wide range of excitation frequencies, a double-excitation vibration mitigation system is introduced. Moreover, various deformation amplification devices, double dampers configurations, and fluid viscous damper parameters are comprehensively analyzed for the system selection for wind and seismic excitations. Using the sensitivity analysis method, structural optimization with the proposed system is demonstrated in the case study of a tall steel residential building.

Keywords:
structural optimization fluid viscous damper A double-excitation vibration mitigation system tall steel structure