This paper focuses on damage control design of SMA dampers in steel frame piers.A parametric study based on time history analyses is carried out on frametyped bridge piers with axial-type SMA damping device.The parame...This paper focuses on damage control design of SMA dampers in steel frame piers.A parametric study based on time history analyses is carried out on frametyped bridge piers with axial-type SMA damping device.The parameters examined are design parameters of strength ratioαF and stiffness ratioαK.Seismic performance indexes on displacement and strain are investigated under three JRA recommended Level 2 Ground TypeПstrong earthquake motions.Design recommendations are suggested following the results of the parametric study.展开更多
基金The study was supported in part by grants from the Advanced Research Center for Seismic Experiments and Computations,Meijo University.
文摘This paper focuses on damage control design of SMA dampers in steel frame piers.A parametric study based on time history analyses is carried out on frametyped bridge piers with axial-type SMA damping device.The parameters examined are design parameters of strength ratioαF and stiffness ratioαK.Seismic performance indexes on displacement and strain are investigated under three JRA recommended Level 2 Ground TypeПstrong earthquake motions.Design recommendations are suggested following the results of the parametric study.