Multi-objective optimal design and seismic performance of negative stiffness damped outrigger structures considering damping cost

•Building direct connection between NSDO parameters and seismic responses.•Proposing an optimization method on harmful drift, acceleration and damping cost.•Retrofitting existing CO structure with supplemental NSDO in resisting earthquakes. In this paper, the seismic performance of conventional damp...

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Bibliographic Details
Published in:	Engineering structures Vol. 229; p. 111615
Main Authors:	Sun, Fei-Fei, Wang, Meng, Nagarajaiah, Satish
Format:	Journal Article
Language:	English
Published:	Kidlington Elsevier Ltd 15.02.2021 Elsevier BV
Subjects:	Amplification Assembly Carbon monoxide Columns (structural) Cost saving Damped outrigger Design optimization Drift Earthquake dampers Earthquakes Energy dissipation Multi-objective optimization Multiple objective analysis Negative stiffness Optimization Retrofitting Seismic activity Seismic performance Seismic response Stiffness Tall buildings Viscous damping Wind Wind effects Negative stiffness Multi-objective optimization Damped outrigger Cost saving Seismic performance
ISSN:	0141-0296, 1873-7323
Online Access:	Get full text
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