位移控制的子结构地震模拟振动台混合试验方法
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摘要
为了解决地震模拟振动台承载能力及台面尺寸对大型结构试验的限制,扩展振动台的功能,提出了位移控制子结构地震模拟振动台混合试验方法,包括试验原理、试验过程及数值积分方法,并给出了2种子结构边界条件的模拟形式。通过1个简单框架结构的地震模拟振动台试验和子结构混合加载试验验证了该方法的可行性,并指出了该试验方法的主要技术问题。混合试验方法通过子结构技术和振动台试验相结合,解决了目前的地震模拟振动台试验和拟动力试验在设备规模和加载速度上的局限性。
Hybrid testing method of substructure techniques for shaking table by position control of actuator is presented in order to overcome the limitations of conventional shaking tables test and pseudo-dynamic test.The method is hybrid of substructure and shaking table techniques.The basic principle,test process,numerical integration method and two simulation method of boundary condition are explained.The feasibility of the testing method is proved by a shaking table test and a hybrid loading test.The key technological issues of the testing method are indicated.
Hybrid testing method of substructure techniques for shaking table by position control of actuator is presented in order to overcome the limitations of conventional shaking tables test and pseudo-dynamic test.The method is hybrid of substructure and shaking table techniques.The basic principle,test process,numerical integration method and two simulation method of boundary condition are explained.The feasibility of the testing method is proved by a shaking table test and a hybrid loading test.The key technological issues of the testing method are indicated.
引文
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[13]Wu B,Xu G,Wang Q,et al.Operator-splitting method for real-time substructure testing[J].Earthquake Engineering and Structural Dynamics,2006,35(3):293-314.
[14]田石柱,李暄,殴进萍.结构主动控制系统时间滞后测量与补偿方法[J].地震工程与工程振动,2000,20(4):101-105.
[2]Williams MS,Blakeborough A.Laboratory testing of structures under dynamic load:an introductory review[J].Phil.Trans Royal Society,2001.359:1651-1669.
[3]邱法维.结构抗震实验方法进展[J].土木工程学报,2004,37(10):19-27.
[4]Nakashima M,Kato H,Takaoka E.Development of real-time pseudo dynamic testing[J].Earthquake Engineering and Structural Dynamics.1992,21(1):79-92.
[5]肖岩,胡庆,郭玉荣,等.结构拟动力远程协同试验网络平台的开发研究[J].建筑结构学报,2005,26(3):122-129.
[6]Dimig J,Shield C,French C,et al Effective force testing:a method of seismic simulation for structural testing[J].Journal of Structural Engineer-ing.1999,125(9):1028-1037.
[7]Kausel E.New seismic testing method I:fundamental concepts[J].Journal of Engineering Mechanics,1998,124(5):565-570.
[8]田石柱,赵桐,赵雪峰.位移保护下力控制拟动力试验方法原理[J].地震工程与工程振动,2002,22(3):37-41.
[9]Reinhorn A M,Sivaselvan M V,Zach L,et al.Large scale real time dynamic hybrid testing technique-shake table substructure testing[C].Advances in Experimental Structural Engineering,2005:457-464.
[10]王向英,吴斌,王倩颖.实时子结构试验的滑动模态控制[J].工程力学,2007,24(6):174-179.
[11]赵鹏飞,王亚勇,程绍革.一种新型的结构抗震试验方法[J].工程抗震与加固改造,2005,27(6):41-44.
[12]Tian S Z,Wang X Y,Song K,et al.Testing method on substructure techniques for shaking table[C].ANCER Annual Meeting,Korea,2005 11.
[13]Wu B,Xu G,Wang Q,et al.Operator-splitting method for real-time substructure testing[J].Earthquake Engineering and Structural Dynamics,2006,35(3):293-314.
[14]田石柱,李暄,殴进萍.结构主动控制系统时间滞后测量与补偿方法[J].地震工程与工程振动,2000,20(4):101-105.
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