| 摘要 |
PURPOSE:To assemble the marine working platform efficiently by a method wherein the full length of at least one platform supporting leg section is assembled, the platform is floated and turned, while the next leg section is positioned at an assembly work position and the super structure of the leg section is constructed. CONSTITUTION:The working platform 1 with a lifting gear 2 is supported to a dock A by means of blocks 3, a unit leg body 5-1, a lower end section thereof has a footing 4, is assembled, the unit leg body is constructed by using a portal crane, the unit leg body is further fabricated by employing a horizontal pull-in system tower type crane, and one leg body 5 is completed. The working platform 1 is turned by using a wire and a winch, the second leg section is positioned at the lower section of the horizontal pull-in system tower type crane 7, a unit leg body 5-7 is assembled onto a leg body 5-m, and the next leg body is completed. |
