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15 March 2018 Performance evaluation of a semi-active cladding connection for multi-hazard mitigation
Yongqiang Gong, Liang Cao, Laura Micheli, Simon Laflamme, Spencer Quiel, James Ricles
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Proceedings Volume 10595, Active and Passive Smart Structures and Integrated Systems XII; 105950B (2018) https://doi.org/10.1117/12.2295933
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2018, Denver, Colorado, United States
Abstract
A novel semi-active damping device termed Variable Friction Cladding Connection (VFCC) has been previously proposed to leverage cladding systems for the mitigation of natural and man-made hazards. The VFCC is a semi-active friction damper that connects cladding elements to the structural system. The friction force is generated by sliding plates and varied using an actuator through a system of adjustable toggles. The dynamics of the device has been previously characterized in a laboratory environment. In this paper, the performance of the VFCC at mitigating non-simultaneous multi-hazard excitations that includes wind and seismic loads is investigated on a simulated benchmark building. Simulations consider the robustness with respect to some uncertainties, including the wear of the friction surfaces and sensor failure. The performance of the VFCC is compared against other connection strategies including traditional stiffness, passive viscous, and passive friction elements. Results show that the VFCC is robust and capable of outperforming passive systems for the mitigation of multiple hazards.
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Yongqiang Gong, Liang Cao, Laura Micheli, Simon Laflamme, Spencer Quiel, and James Ricles "Performance evaluation of a semi-active cladding connection for multi-hazard mitigation", Proc. SPIE 10595, Active and Passive Smart Structures and Integrated Systems XII, 105950B (15 March 2018); https://doi.org/10.1117/12.2295933
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Cited by 2 scholarly publications.
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KEYWORDS
Cladding
Connectors
Control systems design
Earthquakes
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