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Volume 12 Issue 1
Mar 2001
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Yicheng Jiang, Jiaxiang Tang. Seismic Response of Base-Isolated Structures under Multi-component Ground Motion Excitation. Journal of Earth Science, 2001, 12(1): 90-94.
Citation: Yicheng Jiang, Jiaxiang Tang. Seismic Response of Base-Isolated Structures under Multi-component Ground Motion Excitation. Journal of Earth Science, 2001, 12(1): 90-94.

Seismic Response of Base-Isolated Structures under Multi-component Ground Motion Excitation

  • Received Date: 18 Jul 2000
  • Accepted Date: 11 Dec 2000
  • An analysis of a base isolated structure for multi-component random ground motion is presented. The mean square response of the system is obtained under different parametric variations. The effectiveness of main parameters and the torsional component during an earthquake is quantfied with the help of the response ratio and the root mean square response with and without base isolation. It is observed that the base isolation has considerable influence on the response and the effect of the torsional component is not ignored.

     

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  • Jangid R S, Datta T K, 1994. Seistnic Response of Torsionally Coupled Structure with Elasto-Plastic Base Isolation. Journal of Engineering Structure, 16(4): 256-262 doi: 10.1016/0141-0296(94)90065-5
    Li H, Wang S, 1992. Random Response of Asymmetric Structure with Multi-component Ground Excitation. Journal of Building Structure, 13(6): 12-20
    Nagarajaiah S, Reinhom A M, Constantinou M C, 1993. Torsion in Base Isolated Structures with Elastomeric Isolation Systems. Journal of Structural Engineering, 119(10): 2932-2951. doi: 10.1061/(ASCE)0733-9445(1993)119:10(2932)
    Sun F, Li G, Shen Z, et al, 1994. Recent Developments of Building Structure Techniques in China and Japan, Journal of Building Structures, 17(2): 67-74
    Tang J, Liu Z, 1993. Base Isolation of Structure. Whuan: Huazhong University of Science and Technology Press
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