新型SMA阻尼器在古塔抗震监测中的应用
摘要
利用形状记忆合金(SMA)的超弹性滞回耗能特性,设计出一种适合古塔抗震监测的新型SMA阻尼器,通过从试验得出的SMA阻尼器恢复力公式,建立SMA阻尼器电阻特性简化模型,得出其器恢复力和SMA丝电阻之间的关系,再通过安装了SMA阻尼器的受控古塔结构运动方程,算出古塔每个质点的位移,从而判断古塔在地震中的震害情况,实现对古塔的健康监测,为古塔等类似古建筑结构的抗震加固和健康监测提供借鉴。
引文
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[13]王凤华,黄襄云,周福霖.新型形状记忆合金阻尼器参数对古塔结构减震效果影响分析[J].四川建筑科学研究,2012,28(3):188-192.
[14]Brinson L.C.One dimensional constitutive behavior of shape memory alloys thermo mechanical derivation with non-constant material functions[J].Journal of Intelligent Material Systems and Structure,1993,(4):229-242.
[2]Castellano M.G.et al.Application of Seismic Devices to Italian Cultural Heritage structures[C]∥7th International Seminar on Seismic Isolation,Passive Energy Dissipation and Active Control of Vibrations of Structures,2001:728-737.
[3]许华铛.中国古塔[M].北京:中国轻工业出版社,1986.
[4]杨杰,吴月华.形状记忆合金及其应用[M].北京:中国科学技术大学出版社,1993.
[5]GONZAIEZA C H,DE QUADROSA N F,DE ARAUJOB C J,et al.Coupled stress-strain and electrical resistivity measurements on copper based shape memory single crystals[J].Material research,2004,7(2):305-311.
[6]朱玉田,萩元一郎,毛利泰裕.形状记忆合金智能复合材料自修复中传感与控制方法研究[J].机械工程学报,2005,41(3):221-225.
[7]NAGAI H,OISHI R.Shape memory alloys as strain sensors in composites[J].Smart materials and structures,2006(15):493-498.
[8]Robert K,Jack H,Steve S.Structure damping with shape memory alloys:a class of device[C]∥Proc.of SPIC,1995,2445:225-249.
[9]倪立峰,李秋胜,李爱群,韩玉林.新型形状记忆合金阻尼器的试验研究[J].地震工程与工程振动,2002,22(3):145-148.
[10]薛素铎,董军辉,卞晓芳,李彬双.一种新型形状记忆合金阻尼器[J].建筑结构学报,2005,26(3):45-50.
[11]黄襄云,王凤华,高强.SMA超弹性阻尼特性的试验研究[J].广州大学报(自然科学版),2009,8(1):46-52.
[12]崔迪,李宏男,宋钢兵.Ni Ti形状记忆合金电阻特性研究[J].建筑材料学报,2008,11(5):567-573.
[13]王凤华,黄襄云,周福霖.新型形状记忆合金阻尼器参数对古塔结构减震效果影响分析[J].四川建筑科学研究,2012,28(3):188-192.
[14]Brinson L.C.One dimensional constitutive behavior of shape memory alloys thermo mechanical derivation with non-constant material functions[J].Journal of Intelligent Material Systems and Structure,1993,(4):229-242.
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