| ‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘ KAWASAKI STEEL TECHNICAL REPORT No.31 ( November 1994 ) Special Issue on 'Stainless Steel 'and ' Engineering and Construction' ‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘ |
| Construction of a Jacket Type Steel Retaining Wall for the Kisarazu Man-made Island of the Trans-Tokyo Bay Highway Keigo Koga, Takashi Hiramoto, Kenshi Furumuro |
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Synopsis : The 15-km Trans-Tokyo-Bay Highway will span Tokyo Bay, linking Kawasaki City, Kanagawa Prefecture with Kisarazu City, Chiba Prefecture. This national project started in 1987 and is scheduled for completion in 1997, Kawasaki Steel was awarded contract as a member of a joint-venture in the construction of the middle section of Kisarazu Man-Made Island for this highway in June 1990. In the process of the execution of this one of the world biggest projects, the most remarkable exertion was, in addition to dealing with a total weight of about 19 000 metric-tons, to solve various technical problems of using jackets as retainning wall structures, such as, (1) establishment of the design method of the jacket-type steel retainning wall, which is the first attempt in the world, (2) establishment of the high-quality and efficient fabrication system, (3) consideration of safety in technical and managemental viewpoints for the transportation of large steel structures on the sea, and (4) development of the high-accuracy installation method of the jacket in the deep sea. |
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