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Full-Scale Measurement on Chiba Port Tower

by Yoshihiro Mataki, Takenaka Corp, Japan,
Takeshi Ohkuma, Takenaka Corp, Japan,
Jun Kanda, Takenaka Corp, Japan,
Haruyuki Kitamura, Takenaka Corp, Japan,
Saburo Kawabata, Takenaka Corp, Japan,
Kazuo Ohtake, Takenaka Corp, Japan,



Document Type: Proceeding Paper

Part of: Structural Design, Analysis and Testing

Abstract:

Chiba Port Tower is a tall tower, 125m high, with a rhombus shaped plan. All of the surfaces are covered with half mirror glass. On the top of the tower, a 'Tuned Mass Damper' is installed in order to reduce wind-induced vibrations. A lot of full-scale measurement data during strong winds on Chiba Port Tower are recorded since August 1987 and show that the wind-induced vibrations of the tower are reduced in approximately 50% to the effect of the tuned mass damper.

Subject Headings: Wind pressure | Wind forces | Wind power | Vibration | Ports and harbors | Damping | Pressure measurement | Japan | Asia

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