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Volume 16 Issue 1
Mar 2005
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Aiwu Fan, Jiaxiang Tang, Li Li, Jun Yang. Study on the Sliding Displacement of a Sliding Structure Subjected to Multi-directional Earthquake Excitation. Journal of Earth Science, 2005, 16(1): 79-83.
Citation: Aiwu Fan, Jiaxiang Tang, Li Li, Jun Yang. Study on the Sliding Displacement of a Sliding Structure Subjected to Multi-directional Earthquake Excitation. Journal of Earth Science, 2005, 16(1): 79-83.

Study on the Sliding Displacement of a Sliding Structure Subjected to Multi-directional Earthquake Excitation

  • Received Date: 27 May 2004
  • Accepted Date: 20 Dec 2004
  • Transient dynamic analysis is used to study the effect of the bidirectional interaction of friction on the response of sliding displacement of a sliding structure subjected to bidirectional earthquake ground motion. The analysis varies the parameters of amplitude ratio of earthquake excitation, the period of the superstructure, and the coefficient of friction in the sliding support. Numerical results show that the sliding structure is significantly influenced by the interaction of frictional forces. So the sliding displacement may be underestimated and the acceleration of the superstructure may be overrated if the bidirectional interaction of frictional forces is neglected.

     

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  • Fan, J., Tang, J. X., 2001. Dynamic Characteristics and Earthquake Response Analysis of Structures Supported on Slide-Limited Friction Base Isolation System. Journal of Building Structures, 22(1): 20-25(in Chinese with English Abstract)
    Jangid, R. S., 1996. Seismic Response of Sliding Structures to Bidirectional Earthquake Excitation. Earthquake Eng. Struct. Dyn., 25: 1301-1306 doi: 10.1002/(SICI)1096-9845(199611)25:11<1301::AID-EQE618>3.0.CO;2-3
    Jangid, R. S., 1997. Response of Pure-Friction Sliding Structure to Bi-directional Harmonic Ground Motion. World Information on Earthquake Engineering, 13(4): 77-85
    Xiong, Z. M., Yu, M. H., 2002. Seismic Excitation Calculating on Base Isolated System with Sliding Layer. Chinese Journal of Applied Mechanics, 19(4): 139-142(in Chinese with English Abstract)
    Zhang, W. F., Cheng, W. R., 2001. A Model for Seismic Response of Base-Isolated Structures with Friction Dampers. China Civil Engineering Journal, 34(5): 1-9(in Chinese with English Abstract)
    Zhu, Y. H., Lü, X. L., 2002. Shaking Table Tests of Model Building with Sliding Isolation System under Multidirection Ground Motions. Earthquake Engineering and Engineering Vibration, 22(5): 77-84(in Chinese with English Abstract)
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