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SHAPE MEMORY ALLOY-BASED SMART BUILDINGS
LiHui 1 * #,Mao Chenxi 1,J. P. Ou 2
1.Harbin Institute of Technology
2.School of Civil Engineering, Harbin Institute of Technology
*Correspondence author
#Submitted by
Subject:
Funding: 教育部博士点基金,National Natural Science Foundation,Funds of the Ministry of Education,the Heilongjiang Distinguished Youth(No.20020213027,50178025)
Opened online:23 December 2005
Accepted by: none
Citation: LiHui,Mao Chenxi,J. P. Ou.SHAPE MEMORY ALLOY-BASED SMART BUILDINGS[OL]. [23 December 2005] http://en.paper.edu.cn/en_releasepaper/content/4605
 
 
Two novel shape memory alloy (SMA) dampers with special configurations are developed by authors. These dampers also simultaneously play a role of displacement transducers. The energy dissipation capability of these dampers is experimentally studied. Additionally, the sensing properties of the damper/displacement transducers are also investigated through tests. A series of shaking table tests of a building model incorporated with these SMA dampers/displacement transducers are carried out. The results indicate that SMA damper can effectively suppress the drift as well as relative displacement. The drift recorded by SMA dampers/displacement transducers is almost the same with that recorded by displacement transducer (LVDT). Therefore, the SMA damper/displacement transducer can play the role of displacement transducers with high accuracy. Considering SMA dampers/displacement transducers can measure the time history of drift between the interstory of buildings, the earthquake-induced damage of the structure can be identified by analysis of the measured drift.
Keywords:SAM, building, earthquake
 
 
 

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