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Experimental Performance Evaluation of Elastic Friction Damper by Young Chan Kim; Heon Woo Lee; Jong Wan Hu is a Engineering article available to read on EtoBox.

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Earthquakes are natural disasters that can cause large-scale damage to humans and property. Many methods have been proposed to reduce the damage caused by earthquakes. These include dampers that are applied to structures to provide seismic reinforcement. Dampers absorb energy and reduce the response to earthquakes. However, in the case of an earthquake exceeding the allowable capacity, dampers may be damaged or permanently deformed, resulting in replacement of the dampers incurring considerable economic losses. In this study, to solve this problem, a new concept of an elastic friction damper that can reduce damage by applying a new material with recentering performance was developed; the performance of the damper was evaluated by experiments. The elastic friction damper is composed of polyurethane springs that provide recentering force by applying precompression, steel wires and permanent magnet cubes that provide energy dissipation capability. First, for the performance evaluation, a compression experiment was conducted to obtain the ideal precompression value of the polyurethane spring. In addition, a tensile experiment was performed to determine the elastic section and ductility

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Author

Young Chan Kim; Heon Woo Lee; Jong Wan Hu

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)