JPS59144040U - marine structures - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

Figure 1 shows a conventional example, Figure 1 a shows a towed state,
Figure 1 shows the installed state, Figures 2 to 7 show examples of this invention, Figure 2 shows the installed state, and Figures 3 and 4 show the installation work. Diagrams showing the steps in order,
Figures 5 and 6 are diagrams showing the steps of removal work in order;
FIG. 7 is a diagram corresponding to FIG. 3 showing a modification of this invention. 11... Legs, 12... Maritime work platform, 13... Floating body, 14... Support.

Claims (1)

[Scope of utility model registration request] a leg 11, an offshore work platform 12 which can be relatively movable in volume along the leg 11 and can be connected to the leg 11 at an arbitrary height; A buoyant body 13 that can be relatively movable up and down and can be connected to the legs 11 at any height and can be freely poured and drained, and a column 14 of a predetermined height that is disposed between the offshore work platform 12 and the buoyant body 13. The offshore work platform 12 is equipped with a buoyancy tank that can be freely filled with water, and the offshore work platform 12 and the buoyancy body 13 can be connected and separated via a support 14, and the buoyancy acting on the buoyancy body 13 causes , a marine structure adapted to support the full weight of the legs 11, the marine platform 12, the buoyant body 13 and the struts 14.