典型文献
Seismic performance of a reinforced concrete building retrofitted with self-centering shape memory alloy braces
文献摘要：
Self-centering earthquake-resistant structures have received increased attention due to their ability to reduce post-earthquake residual deformations and,thus,repair time and cost.This stimulated the development of recentering shape memory alloy(SMA)dampers that use superelastic nitinol wires to dissipate energy and self-center the structure.However,there are still a few case studies applications on full-scale RC buildings in the literature.Moreover,general guidelines or even simplified approaches for the practical design of SMA damped braces are still lacking.This paper focuses on evaluating the effect of using self-centering shape memory alloy dampers for buckling-restrained braces applied for the seismic retrofit of a complex RC building structure.A design method originally proposed for elastoplastic dampers was implemented to size the SMA dampers to be placed on selected spans and stories of a building.The effectiveness of the design procedure was demonstrated by nonlinear time-history analyses under different sets of earthquake strong ground motions.The analysis results show that the recentering shape memory alloy bracing system is effective in limiting the maximum transient inter-story drifts and reducing the residual inter-story drifts after strong seismic events,due to its excellent recentering behavior together with its not negligible energy dissipation capacity.
文献关键词：
中图分类号：
作者姓名：
Massimiliano Ferraioli;Antonio Concilio;Carmine Molitierno
作者机构：
Department of Engineering,University of Campania"Luigi Vanvitelli",via Roma 29,81031 Aversa(CE),Italy;Adaptive Structures Div.,the Italian Aerospace Research Centre(CIRA),via Maiorise,81043 Capua(CE),Italy;Department of Structures for Engineering and Architecture,University of Naples"Federico Ⅱ",via Claudio 21,80125,Napoli,Italy
文献出处：
引用格式：
[1]Massimiliano Ferraioli;Antonio Concilio;Carmine Molitierno-.Seismic performance of a reinforced concrete building retrofitted with self-centering shape memory alloy braces)[J].地震工程与工程振动（英文版）,2022(03):785-809
A类：
recentering,nitinol
B类：
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AB值：
0.566807
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