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The First Tuned Active Damper (TAD) in Mainland China, Designed to Prevent a High-rise Building from Wind Sway The First Tuned Active Damper (TAD) in Mainland China, Designed to Prevent a High-rise Building from Wind Sway

Announced in MHI SHOWCASE August 2008

ACHIEVEMENTS[ INDUSTRIAL MACHINERY ]

The First Tuned Active Damper (TAD) in Mainland China, Designed to Prevent a High-rise Building from Wind Sway

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The Shanghai World Financial Center was completed in the vivid city of Shanghai, in the spring of 2008. MHI's TAD, which has been used in many buildings such as the Yokohama Landmark Tower in Japan, was also adopted for the skyscraper complex with 101 floors above ground level and a height of 492 meters, to reduce swaying and ensure living comfort. The system uses a motor to control the movement of the damper to reduce the swaying of the building. When sensors detect any swaying of the building due to strong winds, the movement of 150-ton counterweights suspended in the device can be calculated instantaneously by the computer system. One of the outstanding features of this active-turned type system is the multifold control of the performance to detect the degree of sway by moving the weight by the motor, more actively. TAD offers excellent comfort both to the upper-level hotel and office floors.

  • After the installation, a performance test was executed by swaying the building, using TAD as a vibrator.
Photo: The building to the left in the center of the photograph is the Shanghai World Financial Center, where the TAD has been installed. This is a skyscraper complex where offices, hotels, observatory floors and commercial facilities are located.
The building to the left in the center of the photograph is the Shanghai World Financial Center, where the TAD has been installed. This is a skyscraper complex locating offices, hotels, observatory floors, and commercial facilities.
Photo: A briefing session on the system's safety and performance, where relevant parties, such as Chinese universities and design companies were invited.
A briefing session on the system’s safety and performance, where relevant parties such as Chinese universities and design companies were invited.
Photo: With new high-rises appearing in the skyline like never before, Shanghai is a cosmopolitan city undergoing daily change. From all over the world, business people flock to its bustling center.
With new high-rises appearing in the skyline like never before, Shanghai is a cosmopolitan city undergoing daily change. From all over the world, business people flock to its bustling center.

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