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CHARTING NEW WATERS IN SHIPBUILDING

The Cornerstone of MHI Craftsmanship, MHI’s Shipbuilding has Continued to Deliver Ships that Respond to the Needs of the Time The history of MHI’s shipbuilding history began in 1857, four years after the arrival of Commodore Perry’s Black Ships. Ever since, shipbuilding has remained the cornerstone of the company’s technology and craftsmanship, and more than 5,400 ships have been constructed to date. For over 150 years, MHI’s ships have continuously evolved to meet the changing needs of the times. Between the opening of Japan and the beginning of World War II, ships played an important role connecting Japan to the rest of the world. As the country pressed forward with modernization, demand grew for vessels that could serve overseas routes, such as the TENYO MARU luxury cruise ship (1908 (Note)) and emigrant ships. The subsequent emergence of geopolitical tensions shifted focus towards warships. MHI drew on its shipbuilding technology to…

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THE FIRST TUNED ACTIVE DAMPER IN MAINLAND CHINA, DESIGNED TO PREVENT A HIGH-RISE BUILDING FROM WIND SWAY

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…

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