초록 ▼

A method of constructing a hollow column for resting on a base on a submarine bed, comprises the steps of simultaneously starting the construction of a number of elements that are to form the column, causing the partly constructed elements to float, finishing the construction of the elements afloat,

A method of constructing a hollow column for resting on a base on a submarine bed, comprises the steps of simultaneously starting the construction of a number of elements that are to form the column, causing the partly constructed elements to float, finishing the construction of the elements afloat, bringing the elements into the horizontal position and connecting them together to form the column, said elements being provided with impervious closures at each end thereof and an impervious caisson adjacent each end thereof, and those of the closures and caissons not required when the column is placed in position are dismantled.

대표청구항 ▼

A method of constructing a hollow column from a plurality of annular elements, said column being intended more particularly to rest on a base bearing on a submarine bed and to support a deck carrying production or research installations, comprising the following sequence of operations: (a) simultane

A method of constructing a hollow column from a plurality of annular elements, said column being intended more particularly to rest on a base bearing on a submarine bed and to support a deck carrying production or research installations, comprising the following sequence of operations: (a) simultaneously constructing at least one section of each of a number of annular elements from which the column is to be formed, (b) forming an impervious closure at one end of each of said sections, (c) placing a first impervious caisson inside each of said sections adjacent said one end thereof, (d) causing said sections to float in water, (e) simultaneously finishing the construction of said elements, (f) placing a second impervious caisson inside each of said elements adjacent the other end thereof, (g) forming an impervious closure at the other end of each of said elements, (h) bringing the elements into the horizontal position by ballasting the caissons with water, (i) assembling the elements and fixing them together to form the column, and (j) dismantling those of the caissons and closures that are not required to be used when placing the column into position on a submarine bed.