钢铅粘弹性阻尼器试验研究
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摘要
研制开发了一种钢铅粘弹性阻尼器,介绍了该种阻尼器的构造、耗能机理及特点,设计出钢铅粘弹性阻尼器试验模型,利用压剪试验机完成阻尼器试验模型在不同幅值下的低周反复荷载试验,采用Bouc-Wen模型和双线性模型模拟了钢铅粘弹性阻尼器的滞回性能。研究结果表明:1)钢铅粘弹性阻尼器滞回曲线光滑饱满,具有良好的耗能性能;2)铅芯、钢芯和粘弹性材料在剪切变形过程中发挥了良好作用,提高了阻尼器水平剪力、初始刚度和耗能能力;3)阻尼器在大变形过程没有出现粘弹性材料外鼓和撕裂现象,并能恢复到原始加载位置,其具有较好的大变形能力和自恢复性能;4)Bouc-Wen模型、双线性模型模拟的滞回曲线与试验滞回曲线吻合的较好,分析时采用Bouc-Wen模型、双线性模型模拟阻尼器的滞回性能是可行的。
A new type steel-lead viscoelastic damper is developed,and its principle,configuration,characteristics are illustrated.The new type steel-lead viscoelastic damper model is tested under slow reversed cyclic horizontal loads.The non-linear hysteretic behavior of the SLVD is modeled to adopt the Bouc-Wen model and bilinear model.The results show that: 1) hysteretic curve of the steel-lead viscoelastic damper is slippery,and has good seismic energy dissipation capabilities;2) the lead core,steel core and viscoelsatic material plays an important part in energy dissipation of shear deformation,which can obviously increase the horizontal shear force,initial-stiffness and energy dissipation ability of the SLVD;3) the SLVD has no tear and creak phenomenon of the viscoelastic material in a large displacement case,and can recovery the initial position.It has good self-recovery function and large deformantion performance;4) the simulating hysteretic curves with Bouc-Wen model and bilinear model are identical to the test results,it is feasible to adopt the Bouc-Wen model and bilinear model to simulate the damper element in the analysis of a structure with the SLVD.
A new type steel-lead viscoelastic damper is developed,and its principle,configuration,characteristics are illustrated.The new type steel-lead viscoelastic damper model is tested under slow reversed cyclic horizontal loads.The non-linear hysteretic behavior of the SLVD is modeled to adopt the Bouc-Wen model and bilinear model.The results show that: 1) hysteretic curve of the steel-lead viscoelastic damper is slippery,and has good seismic energy dissipation capabilities;2) the lead core,steel core and viscoelsatic material plays an important part in energy dissipation of shear deformation,which can obviously increase the horizontal shear force,initial-stiffness and energy dissipation ability of the SLVD;3) the SLVD has no tear and creak phenomenon of the viscoelastic material in a large displacement case,and can recovery the initial position.It has good self-recovery function and large deformantion performance;4) the simulating hysteretic curves with Bouc-Wen model and bilinear model are identical to the test results,it is feasible to adopt the Bouc-Wen model and bilinear model to simulate the damper element in the analysis of a structure with the SLVD.
引文
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[17]徐赵东.(铅)粘弹性阻尼结构的试验与研究[D].西安:西安建筑科技大学,2001.Xu Zhaodong.Experiment and study about the(lead)viscoelastic structure[D].Xi’an:Xi’an University ofArchitecture&Technology,2001.(in Chinese)
[18]吴宵.铅粘弹性阻尼器的性能试验和耗能减震结构的设计方法[D].太原:太原理工大学,2002.Wu Xiao.Performance test of lead-visoelastic damperand studies on design method for energy dissipationstructure[D].TaiYuan:Tai Yuan University ofTechonlogy,2002.(in Chinese)
[19]周云,徐赵东,邓雪松.铅粘弹性阻尼器的计算模型[J].地震工程与工程振动,2000,20(1):120―124.Zhou Yun,Xu Zhaodong,Deng Xuesong.Calculationmodels of lead viscoelastic damper[J].EarthquakeEngineering and Engineering Vibration,2000,20(1):120―124.(in Chinese)
[20]周云,吴从晓,邓雪松.铅粘弹性阻尼器的开发、研究与应用[J].工程力学,2009,26(增刊II):80―90.Zhou Yun,Wu Congxiao,Deng Xuesong.Development,research and application of lead viscoelastic damper[J].Engineering Mechanics,2009,26(Sup.II):80―90.(inChinese)
[21]施卫星,李振刚.铅芯橡胶阻尼器性能研究[J].四川建筑科学研究,2007,33(2):118―121.Shi Weixin,Li Zhengang.Study on properties oflead-core rubber damper[J].Sichuan Building Science,2007,33(2):118―121.(in Chinese)
[22]Bouc R.Forced vibration of mechanical systems withhysteresis[C]//Applied mech,Proceedings of the 4thconference on nonlinear oscillations.Prague,Czechoslovakia.1967.
[23]Wen Y K.Method for random vibration of hystereticsystems[J].Journal of Engineering Mechanics,ASCE,1976,103(2):203―249.
[24]吴从晓.高位转换耗能减震结构体系分析研究[D].广州:广州大学,2007.Wu Congxiao.Analytical studies on the system ofhigh-level transfer structure with energy dissipateddevice[D].GuangZhou:Guangzhou University,2007.(in Chinese)
[2]Pall A S,Marsh C.Friction-damped concrete shear walls[J].ACI,1981,78(3):187―193.
[3]Cherry S,Filiatrault A.Seismic response control ofbuildings using friction dampers[J].Earthquake Spectra,1993,9(3):447―466.
[4]Skinner R I,Kelly J M,Heine A J.Hysteresis dampersfor earthquake-resisstant structures[J].EarthquakeEngineering and Structural Dynamics,1975,3:287―296.
[5]Tsai K C.Design of steel triangular plate energyabsorbers for seismic-resistant construction[J].Earthquake Spectra,1993,9(3):505―528.
[6]Tyler R G.Tapered steel energy dissipators forearthquake resistant structures[J].Bulletin of The NewZealand National Society for Earthquake Engineering,1978,11(4):282―294.
[7]Robinson W H,Greenbank L R.An extrusion energyabsorber suitable for the protection of structures duringan earthquake[J].Earthquake Engineering and StructuralDynamics,1976,4:251―259.
[8]Li Hongnan,Li Gang.Experimental study of structurewith‘dual function’metallic dampers[J].EngineeringStructures,2006,28(10):1―12.
[9]周云,刘季.新型耗能(阻尼)减震器的开发与研究[J].地震工程与工程振动,1998,18(1):71―79.Zhou Yun,Liu Ji.Development and study of new energydissipaters(dampers)[J].Earthquake Engineering andEngineering Vibration,1998,18(1):71―79.(in Chinese)
[10]周云.建筑耗能减震新技术与新体系[D].哈尔滨:哈尔滨建筑大学,1996.Zhou Yun.New technology and system about seismicenergy dissipation of building structure[D].Harbin:Harbin University of Civil Engineering and Architecture,1996.(in Chinese)
[11]周云.新型耗能减震器的研究及耗能减震体系的分析与设计方法研究[R].哈尔滨:哈尔滨工业大学,2000.Zhou Yun.Experimental study of new damper anddesign method of structure with dampers[R].Harbin:Harbin Institute of Technology,2000.(in Chinese)
[12]刘冰,周云,邓雪松,等.铅橡胶复合阻尼器的性能试验研究[J].地震工程与工程振动,1998,22(5):105―114.Liu Bing,Zhou Yun,Deng Xuesong,et al.Experimentalstudy on properties of combined lead rubber dampers[J].Earthquake Engineering and Engineering Vibration,1998,22(5):105―114.(in Chinese)
[13]周云,徐赵东,邓雪松,等.组合式铅橡胶复合阻尼器的性能试验研究[J].世界地震工程,2000,16(2):35―40.Zhou Yun,Xu Zhaodong,Deng Xuesong,et al.Experimental study on properties of combined leadrubber dampers[J].World information on EarthquakeEngineering,2000,16(2):35―40.(in Chinese)
[14]周云,邓雪松,徐赵东.铅粘弹性阻尼器性能试验研究[J].地震工程与工程振动,2001,21(1):139―144.Zhou Yun,Deng Xuesong,Xu Zhaodong.Experimentalstudy on properties of lead-viscoelastic dampers[J].Earthquake Engineering and Engineering Vibration,2001,21(1):139―144.(in Chinese)
[15]周云,邓雪松,阴毅,等.复合型铅粘弹性阻尼器的性能试验研究[J].工程抗震与加固改造,2005,27(1):42―47.Zhou Yun,Deng Xuesong,Yin Yi,et al.Study onbehavior of the mixed lead viscoelastic damper[J].Earthquake Resistant Engineering and Retrofitting,2005,27(1):42―47.(in Chinese)
[16]周云,邓雪松,黄文虎.装有铅橡胶复合阻尼器结构的减震研究[J].地震工程与工程振动,2002,18(4):103―110.Zhou Yun,Deng Xuesong,Huang Wenhu.Study ofseismic control of structure with mixed lead rubberdamper[J].Earthquake Engineering and EngineeringVibration,2002,18(4):103―110.(in Chinese)
[17]徐赵东.(铅)粘弹性阻尼结构的试验与研究[D].西安:西安建筑科技大学,2001.Xu Zhaodong.Experiment and study about the(lead)viscoelastic structure[D].Xi’an:Xi’an University ofArchitecture&Technology,2001.(in Chinese)
[18]吴宵.铅粘弹性阻尼器的性能试验和耗能减震结构的设计方法[D].太原:太原理工大学,2002.Wu Xiao.Performance test of lead-visoelastic damperand studies on design method for energy dissipationstructure[D].TaiYuan:Tai Yuan University ofTechonlogy,2002.(in Chinese)
[19]周云,徐赵东,邓雪松.铅粘弹性阻尼器的计算模型[J].地震工程与工程振动,2000,20(1):120―124.Zhou Yun,Xu Zhaodong,Deng Xuesong.Calculationmodels of lead viscoelastic damper[J].EarthquakeEngineering and Engineering Vibration,2000,20(1):120―124.(in Chinese)
[20]周云,吴从晓,邓雪松.铅粘弹性阻尼器的开发、研究与应用[J].工程力学,2009,26(增刊II):80―90.Zhou Yun,Wu Congxiao,Deng Xuesong.Development,research and application of lead viscoelastic damper[J].Engineering Mechanics,2009,26(Sup.II):80―90.(inChinese)
[21]施卫星,李振刚.铅芯橡胶阻尼器性能研究[J].四川建筑科学研究,2007,33(2):118―121.Shi Weixin,Li Zhengang.Study on properties oflead-core rubber damper[J].Sichuan Building Science,2007,33(2):118―121.(in Chinese)
[22]Bouc R.Forced vibration of mechanical systems withhysteresis[C]//Applied mech,Proceedings of the 4thconference on nonlinear oscillations.Prague,Czechoslovakia.1967.
[23]Wen Y K.Method for random vibration of hystereticsystems[J].Journal of Engineering Mechanics,ASCE,1976,103(2):203―249.
[24]吴从晓.高位转换耗能减震结构体系分析研究[D].广州:广州大学,2007.Wu Congxiao.Analytical studies on the system ofhigh-level transfer structure with energy dissipateddevice[D].GuangZhou:Guangzhou University,2007.(in Chinese)
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