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자료유형
학술저널
저자정보
Yamashita, Yasuhiko (Structural Engineering Section, Design Department, Osaka Main Office, Takenaka Corporation) Kushima, Soichiro (Structural Engineering Section, Design Department, Osaka Main Office, Takenaka Corporation) Okuno, Yuuichirou (Structural Engineering Section, Design Department, Osaka Main Office, Takenaka Corporation) Morishita, Taisei (Structural Engineering Section, Design Department, Osaka Main Office, Takenaka Corporation)
저널정보
한국초고층도시건축학회 International journal of high-rise buildings International journal of high-rise buildings 제7권 제3호
발행연도
2018.1
수록면
255 - 264 (10page)

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This paper introduces three distinctive means for the use of a 189-meter high damped structure ensuring safety against earthquake: 1. Realization of L-shaped elevational structural planning: The bottom and top of the tower have belt trusses and hat trusses respectively to restrain the bending deformation. Furthermore, large-capacity oil dampers (damping force 6,000 kN) are installed in the middle part of the tower to restrain the higher-mode deformation. 2. Realization of L-shaped planar structural planning: We devised a means of matching the centers of gravity and rigidity by adjusting planar rigidity. Moreover, viscous damping devices are located at the edges of the L-shaped plan, where torsional deformation tends to be amplified. We call this the "Damping Tail" system. 3. Composite foundation to equalize deformations under different loading conditions: We studied the vertical and horizontal deformations using sway-rocking and 3D FEM models including the ground, and applied multi-stage diameter-enlarged piles to the tower and a mat foundation to the podium to keep the foundations from torsional deformations and ensure structural safety.

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