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Ultra High-rise Building with High Seismic Performance using High Efficiency Hybrid Vibration Control System: [Tokyo Garden Terrace Kioicho] Kioi Tower

Ultra High-rise Building with High Seismic Performance using High Efficiency Hybrid Vibration Control System: [Tokyo Garden Terrace Kioicho] Kioi Tower
Autor(en): ,
Beitrag für IABSE Symposium: Tomorrow’s Megastructures, Nantes, France, 19-21 September 2018, veröffentlicht in , S. S28-1
DOI: 10.2749/nantes.2018.s28-1
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This paper describes that Hybrid Seismic Control System is applied in Tall Building “Kioi-tower” we had designed in Tokyo, Japan.

Outline of “Kioi-tower” is as followed, 33stories plus 2 pent...
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Bibliografische Angaben

Autor(en): (Nikken Sekkei Ltd, 2-18-3 Iidabashi, Chiyoda-ku, Tokyo, Japan 102-8117 Japan)
(Nikken Sekkei Ltd, 2-18-3 Iidabashi, Chiyoda-ku, Tokyo, Japan 102-8117 Japan)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Symposium: Tomorrow’s Megastructures, Nantes, France, 19-21 September 2018
Veröffentlicht in:
Seite(n): S28-1 Anzahl der Seiten (im PDF): 8
Seite(n): S28-1
Anzahl der Seiten (im PDF): 8
DOI: 10.2749/nantes.2018.s28-1
Abstrakt:

This paper describes that Hybrid Seismic Control System is applied in Tall Building “Kioi-tower” we had designed in Tokyo, Japan.

Outline of “Kioi-tower” is as followed, 33stories plus 2 penthouses, 5 ground floors. 177.65m high. Total Floor Area: 227,200m², Typical Floor Height: 4.45m or 3.40m. It provides office, hotel and retail. This building has Hybrid Seismic Control System means both viscous dampers and buckling restrained braces (BRBs) are used in the mega structure.

Point of the System is below,

  1. Deformation and velocity of BRBs and viscous damping braces are amplified by the Mega structure composed with transferring girder and steel plate column.

    The efficiency of energy dissipation is enhanced and shear force is reduced to 75%.

  2. Maximum axial force is reduced to 75% compared with the absolute sum of the axial force of BRBs and viscous damper because of phase differences.

Dampers of this system absorb about 15% more energy compared with only steel damper or viscous damper.

Structural monitoring system is also installed in this building. This system helps to elongate the life span of the building, and efficiently maintain seismic control devices and earthquake resistance elements easily.
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