耐風・風工学(2)

[I-119] Analytical Study on the Determinants of Flutter Patterns for Long-Span Suspension Bridges

〇Kaoru Imamura¹, Kunihiro Yamauchi², Kazutoshi Matsuda³, Hiroshi Sato⁴, Akira Moriuchi¹ (1.IHI Infrastructure Systems, 2.IHI, 3.Kyushu Institute of Technology, 4.IHI Construction Service)

Keywords:Long-span suspension bridge, Flutter, Natural vibration mode, Natural frequency, Fulatter analysis, Aerodynamic damping