Investigating the Effective Parameters on the Performance of hybrid lead rubber bearing system with shape memory alloy

Abstract

In this paper, numerical analysis of the hybrid lead rubber bearing system with shape memory alloy was investigated by the finite element method using ABAQUS software and the effectiveness of various parameters on its performance was examined. The studied parameters were the bearing dimensions, type of shape memory alloy and its cross-sectional area, the lead core diameter, the thickness of rubber layers and the compressive stress applied on the bearing. In this hybrid bearing, shape memory alloy wires were used as a recovery unit and lead core was used as a unit for energy dissipation. For this purpose, a finite element model of the bearing was modeled using the Abaqus software and the effect of the various parameters mentioned on the bearing performance has been investigated. The results showed that this hybrid bearing has better seismic performance than lead rubber bearing. Finally, depending on what kind of performance is required from the bearing, its specifications can be obtained optimally. © 2020, Amirkabir University of Technology. All rights reserved.