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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/746

Title: Behaviour of equipment mounted over a torsionally coupled structure with sliding support
Authors: Agrawal, Abhijit K
Keywords: Sliding support
Primary and equipment systems
Bi-directional excitation
Non-linear systems
Issue Date: 2000
Citation: Engineering Structures, 22(1), 72–84
Abstract: Behaviour of a light equipment system mounted over a torsionally coupled and sliding primary system, is studied under bidirectional ground excitation. A fictitious spring model is considered in the analysis to deal with the discontinuity nature of the sliding structural system. The rigid friction–force deformation characteristics of a sliding base are modelled as elasto-plastic with high elastic stiffness. The sliding structure behaves as an elastic system during the sliding phase and as a plastic system during the non-sliding phase. Responses of the equipment system are calculated by considering interaction and non-interaction between the primary system and the equipment system as well as non-interaction between the lateral and torsional resistances at the sliding support. The results presented here are of interest in the area of vibration isolation of important structural systems.
URI: http://eprint.iitd.ac.in/dspace/handle/2074/746
Appears in Collections:Civil Engineering

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