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Parametric study on damage control design of
SMA dampers in frame-typed steel piers |
| Xiaoqun LUO1,Hanbin GE2,Tsutomu USAMI2, |
| 1.Advanced Research Center
for Seismic Experiments and Computations, Meijo University, Nagoya
468-8502, Japan；Department of Building
Engineering, Tongji University, Shanghai 200092, China; 2.Department of Civil
Engineering, Meijo University, Nagoya 468-8502, Japan; |
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Abstract 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 frame-typed bridge piers with axial-type SMA damping device. The parameters examined are design parameters of strength ratio αF and stiffness ratio αK. Seismic performance indexes on displacement and strain are investigated under three JRA recommended Level 2 Ground Type П strong earthquake motions. Design recommendations are suggested following the results of the parametric study.
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| Keywords
damage control design
shape memory alloy
parameter study
displacement-based verification
strain-based verification
time history analysis
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Issue Date: 05 December 2009
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