新型耗能增强型形状记忆合金阻尼器减震性能研究
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摘要
首先通过形状记忆合金的材性试验研究了其超弹性变形性能,并将其等效拟合为多线性模型,得到其计算参数.然后,提出了一种新型耗能增强型SMA阻尼器,说明了其构造,阐述了其工作原理和设计要点,推导了阻尼器的恢复力模型.最后通过有限元程序对设置该阻尼器的多层钢框架、对角设置SMA拉索的多层钢框架、普通钢框架进行了地震时程分析,对比研究了该阻尼器的消能减震能力.结果表明该阻尼器的滞回环非常饱满,耗能能力强,大震下对结构的位移和层间位移角控制效果显著.
Firstly,the super-elastic deformation behavior of shape memory alloy was studied through material test,and its stress-strain curves were equivalent to multi-linear model to obtain its calculation parameters.Then,a new enhanced energy dissipation SMA damper was proposed,with its structure,working principle,design methods,and restoring force model also being introduced and elaborated.Finally,a total of three analytical models were established including a conventional steel frame,a steel frame setting diagonal SMA cables and a steel frame installing new SMA damper.Through the seismic time-history analysis,the seismic performance of these three models was comprehensively investigated.The results show that the hysteresis loop of the new SMA damper is full and the new SMA damper performs perfect energy dissipation capability.Moreover,the proposed SMA damper effectively suppresses structural displacement response and inter-story drift angle response under rare earthquakes.
Firstly,the super-elastic deformation behavior of shape memory alloy was studied through material test,and its stress-strain curves were equivalent to multi-linear model to obtain its calculation parameters.Then,a new enhanced energy dissipation SMA damper was proposed,with its structure,working principle,design methods,and restoring force model also being introduced and elaborated.Finally,a total of three analytical models were established including a conventional steel frame,a steel frame setting diagonal SMA cables and a steel frame installing new SMA damper.Through the seismic time-history analysis,the seismic performance of these three models was comprehensively investigated.The results show that the hysteresis loop of the new SMA damper is full and the new SMA damper performs perfect energy dissipation capability.Moreover,the proposed SMA damper effectively suppresses structural displacement response and inter-story drift angle response under rare earthquakes.
引文
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[5]韩玉林,李爱群,林萍华,等.基于形状记忆合金耗能器的框架振动控制试验研究[J].东南大学学报:自然科学版,2000,30(4):16-20.HAN Yu-lin,LI Ai-qun,LIN Ping-hua,et al.Experimentalstudy of frame structure vibration control by using shape mem-ory alloy damper[J].Journal of Southeast University:Natu-ral Science,2000,30(4):16-20.(In Chinese)
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[8]ZHANG Y,ZHU S.A shape memory alloy based reusablehysteretic damper for seismic hazard mitigation[J].SmartMaterials and Structures,2007,16:1603-1613.
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[11]薛素铎,石光磊,庄鹏.SMA复合摩擦阻尼器性能的试验研究[J].地震工程与工程振动,2007,27(2):145-151.XUE Su-duo,SHI Guang-lei,ZHUANG Peng.Performancetesting of SMA incorporated friction dampers[J].EarthquakeEngineering and Engineering Vibration,2007,27(2):145-151.(In Chinese)
[12]薛素铎,庄鹏,李彬双.SMA-橡胶支座的力学性能试验研究[J].世界地震工程,2005,21(4):10-15.XUE Su-duo,ZHUANG Peng,LI Bin-shuang.Experimentalstudy on mechanical behavior of SMA-rubber bearing[J].World Earthquake Engineering,2005,21(4):10-15.(InChinese)
[13]SONG G,MA N,LI H N.Applications of shape memory al-loys in civil structures[J].Engineering Structures,2006:1266-1274.
[14]李宏男,钱辉,宋钢兵.一种新型SMA阻尼器的试验和数值模拟研究[J].振动工程学报,2008,21(2):179-184.LI Hong-nan,QIAN Hui,SONG Gang-bing.A new type ofshape memory alloy damper:design experiment and numericalsimulation[J].Journal of Vibration Engineering,2008,21(2):179-184.(In Chinese)
[15]REN W J,LI H N,SONG G B.Design and numerical evalua-tion of an innovative multi-directional shape memory alloydamper[C]//Proceedings of Active and Passive Smart Struc-tures and Integrated Systems.Bellingham:SPIE,2007.
[16]禹奇才,刘春晖,刘爱荣.一种放大位移型SMA阻尼器的减震控制分析[J].地震工程与工程振动,2008,28(5):151-156.YU Qi-cai,LIU Chun-hui,LIU Ai-rong.The analysis ofstructure vibration control by using shape memory alloy damp-ers with magnifying story drift[J].Journal of Earthquake En-gineering and Engineering Vibration,2008,28(5):151-156.(In Chinese)
[17]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.NI Li-feng,LI Qiu-sheng,LI Ai-qun,et al.Investigation andexperiment of damper based on shape memory alloy(SMA)[J].Earthquake Engineering and Engineering Vibration,2002,22(3):145-148.(In Chinese)
[18]凌育洪,彭辉鸿,张帅.一种新型SMA阻尼器及其减震性能[J].华南理工大学学报:自然科学版,2011,39(6):119-125.LING Yu-hong,PENG Hui-hong,ZHANG Shuai.A novelSMA damper and its vibration reduction performance[J].Journal of South China University of Technology:Natural Sci-ence,2011,39(6):119-125.(In Chinese)
[19]吕西林.复杂高层建筑结构抗震理论与应用[M].北京:科学出版社,2007:315-323.LV Xi-lin.Seismic theory and application for complex high-risestructures[M].Beijing:Science Press,2007:315-323.(InChinese)
[2]TAMAI H,KITAGAWA Y.Pseudoelastic behavior of shapememory alloy wires and its application to seismic resistancemember for building[J].Computational Materials Science,2002,25:218-227.
[3]CORBI O.Shape memory alloys and their application in struc-tural oscillations attenuation[J].Simulation Modeling Prac-tice and Theory,2003,11:387-402.
[4]丁阳,张笈玮.高层钢结构地震反应形状记忆合金拉索控制研究[J].地震工程与工程振动,2005,25(3):152-157.DING Yang,ZHANG Ji-wei.Seismic response control of tallsteel structures using shape memory alloy tendons[J].Journalof Earthquake Engineering and Engineering Vibration,2005,25(3):152-157.(In Chinese)
[5]韩玉林,李爱群,林萍华,等.基于形状记忆合金耗能器的框架振动控制试验研究[J].东南大学学报:自然科学版,2000,30(4):16-20.HAN Yu-lin,LI Ai-qun,LIN Ping-hua,et al.Experimentalstudy of frame structure vibration control by using shape mem-ory alloy damper[J].Journal of Southeast University:Natu-ral Science,2000,30(4):16-20.(In Chinese)
[6]LI Hui,MAO Chen-xi,QU Jin-ping.Experimental and theo-retical study on two types of shape memory alloy devices[J].Earthquake Engineering and Structural Dynamics,2008,37:407-426.
[7]DOLCE M,CARDONE D,MARNETTO R.Implementationand testing of passive control devices based on shape memoryalloys[J].Earthquake Engineering and Structural Dynamics,2000,29:945-968.
[8]ZHANG Y,ZHU S.A shape memory alloy based reusablehysteretic damper for seismic hazard mitigation[J].SmartMaterials and Structures,2007,16:1603-1613.
[9]ZUO Xiao-bao,CHANG Wei,LI Ai-qun,et al.Design andexperimental investigation of a super elastic SMA damper[J].Materials Science and Engineering:A,2006,438/439/440:1150-1153.
[10]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.XUE Su-duo,DONG Jun-hui,BIAN Xiao-fang,et al.A newtype of shape memory alloy damper[J].Journal of BuildingStructures,2005,26(3):45-50.(In Chinese)
[11]薛素铎,石光磊,庄鹏.SMA复合摩擦阻尼器性能的试验研究[J].地震工程与工程振动,2007,27(2):145-151.XUE Su-duo,SHI Guang-lei,ZHUANG Peng.Performancetesting of SMA incorporated friction dampers[J].EarthquakeEngineering and Engineering Vibration,2007,27(2):145-151.(In Chinese)
[12]薛素铎,庄鹏,李彬双.SMA-橡胶支座的力学性能试验研究[J].世界地震工程,2005,21(4):10-15.XUE Su-duo,ZHUANG Peng,LI Bin-shuang.Experimentalstudy on mechanical behavior of SMA-rubber bearing[J].World Earthquake Engineering,2005,21(4):10-15.(InChinese)
[13]SONG G,MA N,LI H N.Applications of shape memory al-loys in civil structures[J].Engineering Structures,2006:1266-1274.
[14]李宏男,钱辉,宋钢兵.一种新型SMA阻尼器的试验和数值模拟研究[J].振动工程学报,2008,21(2):179-184.LI Hong-nan,QIAN Hui,SONG Gang-bing.A new type ofshape memory alloy damper:design experiment and numericalsimulation[J].Journal of Vibration Engineering,2008,21(2):179-184.(In Chinese)
[15]REN W J,LI H N,SONG G B.Design and numerical evalua-tion of an innovative multi-directional shape memory alloydamper[C]//Proceedings of Active and Passive Smart Struc-tures and Integrated Systems.Bellingham:SPIE,2007.
[16]禹奇才,刘春晖,刘爱荣.一种放大位移型SMA阻尼器的减震控制分析[J].地震工程与工程振动,2008,28(5):151-156.YU Qi-cai,LIU Chun-hui,LIU Ai-rong.The analysis ofstructure vibration control by using shape memory alloy damp-ers with magnifying story drift[J].Journal of Earthquake En-gineering and Engineering Vibration,2008,28(5):151-156.(In Chinese)
[17]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.NI Li-feng,LI Qiu-sheng,LI Ai-qun,et al.Investigation andexperiment of damper based on shape memory alloy(SMA)[J].Earthquake Engineering and Engineering Vibration,2002,22(3):145-148.(In Chinese)
[18]凌育洪,彭辉鸿,张帅.一种新型SMA阻尼器及其减震性能[J].华南理工大学学报:自然科学版,2011,39(6):119-125.LING Yu-hong,PENG Hui-hong,ZHANG Shuai.A novelSMA damper and its vibration reduction performance[J].Journal of South China University of Technology:Natural Sci-ence,2011,39(6):119-125.(In Chinese)
[19]吕西林.复杂高层建筑结构抗震理论与应用[M].北京:科学出版社,2007:315-323.LV Xi-lin.Seismic theory and application for complex high-risestructures[M].Beijing:Science Press,2007:315-323.(InChinese)
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