安装新型形状记忆合金阻尼器的古塔结构地震反应有限元分析
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摘要
将设计的拉压型形状记忆合金(SMA)阻尼器,安装在古塔上,可同时减少古塔在水平地震和竖直地震作用下的响应。采用大型通用软件ANSYS对古塔安装和不安装SMA阻尼器结构分别进行有限元仿真,对结构的动力特性、水平地震反应和竖向地震反应进行分析和对比,探讨SMA阻尼器的控制效果,分析结果与振动台试验数据进行比较,验证分析结果的可靠性。
A type of tension and compression SMA damper was designed to control vibration of an ancient pagoda in Guangdong here.Through installing the SMA damper in the ancient tower,the seismic responses of the pagoda to horizontal earthquake and vertical earthquake were reduced.Through using ANSYS,the simulations for the ancient pagoda with installed SMA damper and without installed SMA damper were made,respectively,under horizontal earthquake and vertical earthquake to examine the control effect of the SMA damper.The analysis Results were compared with those in shaking table tests.The energy dissipation capacity of the SMA damper designed here was verified.
A type of tension and compression SMA damper was designed to control vibration of an ancient pagoda in Guangdong here.Through installing the SMA damper in the ancient tower,the seismic responses of the pagoda to horizontal earthquake and vertical earthquake were reduced.Through using ANSYS,the simulations for the ancient pagoda with installed SMA damper and without installed SMA damper were made,respectively,under horizontal earthquake and vertical earthquake to examine the control effect of the SMA damper.The analysis Results were compared with those in shaking table tests.The energy dissipation capacity of the SMA damper designed here was verified.
引文
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[2]陈念英.再谈竖向地震作用的重要性[C].全国第五届现代结构技术交流会论文集,1996.
[3]陈念英.从日本阪神地震再谈竖向地震作用的重要性[J].成都大学学报(自然科学版),1996(3):26-31.
[4]建筑抗震设计规范(GB50011-2001)[M].北京:中国建筑工业出版社,2001:23,57,97-99.
[5]钱培风.竖向地震力和抗震砌块建筑[M].中国大地出版社,1997:58-62.
[6]Castellano M G,et al.Application of Seismic Devices toItalian Cultural Heritage structures[A].7th InternationalSeminar on Seismic Isolation,Passive Energy Dissipation andActive Control of Vibrations of Structures,2001:728-737.
[7]傅熹年.中国古代建筑史[M].北京:中国建筑工业出版社,2001.
[8]王社良.形状记忆合金在结构控制中的应用[M].西安:陕西科学技术出版社,2000.
[9]王社良,代建波,赵祥.磁控形状记忆合金在结构振动控制中的应用研究[J].噪声与振动控制,2010,30(3):41-45.
[10]郝文化.ANSYS7.0实例分析与应用[M].北京:清华大学出版社,2004.
[11]龚曙光.ANSYS工程应用实例解析[M].北京:机械工业出版社,2003.
[12]郝文化.ANSYS土木工程应用实例[M].北京:中国水利水电出版社,2005.
[13]Robert K,Jack H,Steve S.Structure damping with shapememory alloys:a class of device[A].Proc.of SPIC[C],1995,2445:225-249.
[14]倪立峰,李秋胜,李爱群,等.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.
[15]薛素铎,董军辉,卞晓芳,等.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.
[16]中华人民共和国建设部.砌体结构设计规范(GB50003-2001)[S].
[17]中华人民共和国建设部.建筑抗震设计规范(GB50011-2001)[S].
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