A Technological Research Association of the Mega-Float (TRAM), which was established in 1995, had carried out research and development for Mega-Float more than several kilometres long with life time for over 100 years. And the TRAM had developed construction technologies, and established them through construction to dismantling of two experimental floating models, called phase-1 and phase-2 models. Phase-2 model is a floating Airport Model. Its dimensions are l000 m in length, 121 m in width and 3 m in depth. At the final stage of the Mega-Float project, we had dismantled the whole structure into twelve small units to reconstruct another usage. In case of alteration, quality and operating cost of cutting are very important. Therefore, we used mechanized underwater flame cutting. Total length of underwater flame cutting was more than 1000 meters. High quality cut was obtained under severe condition such as heavy attachment of bio-fouling on the bottom. We show general aspect of mechanized underwater flame cutting for an actual very large floating structure.


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    Title :

    Mechanized underwater cutting for dismantling of mega-float


    Additional title:

    Mechanisiertes Schneiden unter Wasser zum Zerlegen des Mega-Float Bauwerkes


    Contributors:
    Yamashita, Y. (author) / Sasaki, T. (author) / Ogawa, Y. (author)


    Publication date :

    2002


    Size :

    5 Seiten, 9 Bilder, 3 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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