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Article
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Application of shape memory alloys in earthquake-resistant design
Article By:
Lui, Eric M. Department of Civil and Environmental Engineering, Syracuse University, Syracuse, New York.
Labarta, Amilcar Department of Fundamental Physics and Institute of Nanoscience and Technology, University of Barcelona, Catalonia, Spain.
Last reviewed:2014
DOI:https://doi.org/10.1036/1097-8542.YB140253
The use of shape memory alloys (SMAs) in seismic applications has been explored in structural systems such as steel braces, bridge restrainers, beam-column connections, isolation devices, and retrofitting systems. While SMAs have been shown to enhance a structure's seismic performance, their applications in civil structures are primarily focused on passive systems. Compared with active systems, passive systems have fixed properties and do not require external energy in order to function. They are therefore usually more economical, predictable, and energy efficient.
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