How to build the foundation of offshore facilities, the foundation of offshore facilities and the foundation of offshore facilities

摘要

PROBLEM TO BE SOLVED: To provide a technique concerning a foundation of offshore facility superior in workability, which has a reasonable shape and sufficient strength.SOLUTION: The foundation of offshore facility includes: a bottom slab part 61 disposed on a seabed; a digit part 63 having a steel girder member which is fixed integrally with the bottom slab part 61; a filling material 64 disposed on the bottom slab part 61 in a separable manner from the bottom slab part 61; and a steel columnar support 7 uprising from the bottom slab part 61. The upper end of the steel columnar support 7 is connected to the lower end of a tower 4 of the offshore facility, and the lower face of the steel columnar support 7 is joined to one end of the steel girder member.SELECTED DRAWING: Figure 3