耐風・風工学 (3)

[I-187] Evaluation Method of Equivalent Mass and Equivalent Damping Constant in Wind Resistant Design of Main Tower of Seismic Isolation Cable-Stayed Bridge

*Shigehiro Fukaya¹, Toshihiro Suzuki¹, Kouji Tachi¹, Yuuki Sugiyama², Haruhiko Kouno², Tomohiko Nishihara³, Ryusaku Shinoda² (1. CHODAI, 2. Hanshin Expressway, 3. Hanshin Expressway (Current: Public Works Research Institute))

Keywords:Cable-stayed bridge, Steel Tower, Seismic isolation bearing, Hysteresis decay, Equivalent mass, Equivalent damping constant