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Shaking Table Tests of a Structure Equipped with Superelastic Dampers

Branco, M. / Guerreiro, L. / Campos Costa, A. / Candeias, P.

The energy dissipation capacity of the NiTi alloy was evaluated as part of a series of shake table tests. A superelastic damper was developed to take advantage of the hysteretic energy dissipation associated with this type of shape memory alloy. Each device was tested at different intensity levels. A vertical steel cantilever with 600 kg mass on top was subjected to a series of ground motions with different spectral characteristics. The dampers were placed as part of a tie system, restraining the horizontal movement of the top mass. The devices showed stable hysteretic behavior allowing for energy dissipation.

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Shaking Table Tests of a Structure Equipped with Superelastic Dampers

Branco, M. / Guerreiro, L. / Campos Costa, A. / Candeias, P.

The energy dissipation capacity of the NiTi alloy was evaluated as part of a series of shake table tests. A superelastic damper was developed to take advantage of the hysteretic energy dissipation associated with this type of shape memory alloy. Each device was tested at different intensity levels. A vertical steel cantilever with 600 kg mass on top was subjected to a series of ground motions with different spectral characteristics. The dampers were placed as part of a tie system, restraining the horizontal movement of the top mass. The devices showed stable hysteretic behavior allowing for energy dissipation.

Shaking Table Tests of a Structure Equipped with Superelastic Dampers

Branco, M. / Guerreiro, L. / Campos Costa, A. / Candeias, P.

The energy dissipation capacity of the NiTi alloy was evaluated as part of a series of shake table tests. A superelastic damper was developed to take advantage of the hysteretic energy dissipation associated with this type of shape memory alloy. Each device was tested at different intensity levels. A vertical steel cantilever with 600 kg mass on top was subjected to a series of ground motions with different spectral characteristics. The dampers were placed as part of a tie system, restraining the horizontal movement of the top mass. The devices showed stable hysteretic behavior allowing for energy dissipation.

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Title:

Shaking Table Tests of a Structure Equipped with Superelastic Dampers

Contributors:

Branco, M. (author) / Guerreiro, L. (author) / Campos Costa, A. (author) / Candeias, P. (author)

Published in:

Journal of Earthquake Engineering ; 18 ; 674-695

Publication date:

2014-07-04

Size:

22 pages

ISSN:

1363-2469 , 1559-808X

DOI:

https://doi.org/10.1080/13632469.2014.898601

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Superelastic Damper , Shape Memory Alloy , Shake Table Test , Energy Dissipation

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