新型三维隔震装置力学性能试验研究
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摘要
基于铅芯橡胶隔震垫、组合碟形弹簧和钢板阻尼器的各自力学性能特点,设计开发出一种新型的三维隔震装置,首先简要介绍了该三维隔震装置的组成构造和力学性能设计方法;通过一足尺三维隔震装置分别进行了水平向和竖向力学性能试验。试验结果表明,该三维隔震装置具有构造合理、传力机制明确等优点,在水平向和竖向都能够具有适宜的隔震刚度和阻尼耗能性能,并且在较大水平剪切变形时仍具有良好的整体稳定性。
A novel three-dimensional isolation bearing(3DIB) was proposed,based on respective mechanical characteristic of lead rubber bearing,combined disc springs and rhombic steel plated damper.Firstly,the configuration department and mechanical design methodology was introduced;the horizontal and vertical stiffness and energy dissipation performance test was performed on a full scale three-dimensional isolation bearing,respectively.The results indicated that the proposed three-dimensional isolation bearing has reasonable configuration and explicit mechanical transmission mechanism;appropriate stiffness and energy dissipation performance can be achieved by reasonable design,keeping favorable holistic stability at plentiful horizontal shear displacement.
A novel three-dimensional isolation bearing(3DIB) was proposed,based on respective mechanical characteristic of lead rubber bearing,combined disc springs and rhombic steel plated damper.Firstly,the configuration department and mechanical design methodology was introduced;the horizontal and vertical stiffness and energy dissipation performance test was performed on a full scale three-dimensional isolation bearing,respectively.The results indicated that the proposed three-dimensional isolation bearing has reasonable configuration and explicit mechanical transmission mechanism;appropriate stiffness and energy dissipation performance can be achieved by reasonable design,keeping favorable holistic stability at plentiful horizontal shear displacement.
引文
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[15]中国国家标准化管理委员会.GB/T1972—2005碟形弹簧[S].2005.
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[17]李冀龙.结构耗能减振金属阻尼器的阻尼力模型及其应用[D].哈尔滨:哈尔滨工业大学,2008.
[18]SHI MING-HSIANG,SUNG WEN-PEI,GO CHEER-GERM.Investigation of newly developed added damping and stiffness device with low yield strength steel[J].Journal of Zhejiang University:Science A,2004,5(3):326-334.
[2]KAWASHIMA K.Remarkable design examples of recent application of seismic isolation to new and reconstructed viaducts in Japan[C]//7 th International Seminar on Seismic Isolation,Passive Energy Dissipation and Active Control of Vibrations of Structures,Assisi,Italy,October2-5,2001.
[3]SARRAZIN MAURICIO,MORONI MARIA O,SOTO PEDRO,et al,Applications on seismic isolation and energy dissipation bridges in Chile and Venezuela[C]//7 th International Seminar on Seismic Isolation,Passive Energy Dissipation and Active Control of Vibrations of Structures,Assisi,Italy,October2-5,2001.
[4]CHANG K C,HO M C,HWANG J S,et al.Development and application of seismic isolation and energy dissipation systems for buildings in Taiwan[J].Journal of Architecture,2007,62,Special Issue on Technology,133-148.
[5]NAGARAJAIAH SATISH,SUN XIAO-HONG.Response of base-isolated USC hospital building in Northridge Earthquake[J].Journal of Structural Engineering,2000,126(10):1177-1186.
[6]PAPAZOGLOU A J,ELNASHAI A S.Analytical and field evidence of the damaging effect of vertical earthquake ground motion[J].Earthquake Engineering and Structural Dynamics,1996,25:1109-1137.
[7]WANG ZI-FA.A preliminary report on the Great Wenchuan Earthquake[J].Earthquake Engineering and Engineering Vibration,2008,7(2):225-234.
[8]贾俊峰,欧进萍.近断层竖向与水平向加速度反应谱比值特征[J].地震学报,2010,32(1):41-50.JIA JUN-FENG,OU JIN-PING.Vertical-to-horizontal acceleration response spectrum ratio of near-fault ground motion[J].Acta Seismologica Sinica,2010,32(1):41-50.
[9]MORISHITA MASAKI,INOUE KAZUHIKO,FUJITA TAKAFUMI.Development of three-dimensional seismic isolation systems for fast reactor application[J].Journal of Japan Association for earthquake Engineering,2004,4(3)(Special Issue):305-310.
[10]熊世树,陈金凤,梁波,等.三维基础隔震结构多维地震反应的非线性分析[J].华中科技大学学报:自然科学版,2004,32(12):81-84.XIONG SHI-SHU,CHEN JIN-FENG,LIANG BO,et al.Nonlinear analysis of multi-dimensional seismic response in3Dbase isolated structure[J].Journal of Huazhong University of Science and Technology:Nature Science Edition,2004,32(12):81-84.
[11]孟庆利,林德全,张敏政.三维隔震系统振动台实验研究[J].地震工程与工程振动,2007,27(3):116-120.MENG QING-LI,LIN DE-QUAN,ZHANG MIN-ZHENG.Study on three-dimensional isolated system in shaking table test[J].Journal of Earthquake Engineering and Engineering Vibration,2007,27(3):116-120.
[12]赵亚敏,苏经宇,周锡元,等.碟形弹簧竖向隔震结构振动台实验及数值模拟研究[J].建筑结构学报,2008,2008,29(6):99-106.ZHAO YA-MIN,SU JING-YU,ZHOU XI-YUAN et al.Shaking table test and numerical analysis of vertical-isolated building model with combined disk spring bearing[J].Journal of Building Structures,2008,29(6):99-106.
[13]徐赵东,时本强,巫可益,等.粘弹性多维隔减震结构竖向振动台试验与研究[J].中国科学E辑:技术科学,2009,39(10):1709-1715.XU ZHAO-DONG,SHI BEN-QIANG,WU KE-YI,et al.Vertical shaking table tests on the structure with viscoelastic multi-dimensional earthquake isolation and mitigation devices[J].Sci China Ser E-Tech Sci,2009,39(10):1709-1715.
[14]张英会,刘辉航,王德成.弹簧手册[M].北京:机械工业出版社,1997.
[15]中国国家标准化管理委员会.GB/T1972—2005碟形弹簧[S].2005.
[16]TSAI KEH-CHYUAN,CHEN HUAN-WEI,HONG CHING-PING,et al.Design of steel triangular plateenergy absorbers for seismic-resistant construction[J].Earthquake Spectra,1993,9(3):505-528.
[17]李冀龙.结构耗能减振金属阻尼器的阻尼力模型及其应用[D].哈尔滨:哈尔滨工业大学,2008.
[18]SHI MING-HSIANG,SUNG WEN-PEI,GO CHEER-GERM.Investigation of newly developed added damping and stiffness device with low yield strength steel[J].Journal of Zhejiang University:Science A,2004,5(3):326-334.
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