| 摘要 |
A tower structure (1) for use in a body of water, comprising a hollow outer section (2) with a first end (4) equipped with an opening. An inner section (3) is telescopically accommodated in the cavity of the outer section (2) and is telescopically movable in the outer section (2) from a position in which essentially the whole of the inner section is accommodated in the outer section to a position in which a length of the inner section projects above the first end of the outer section. The inner section comprises a plurality of chambers (6, 6′) fluid-connected via ducts (10′) and openings (9), and where at least one chamber is fluid-connected via at least one duct (10) to a source for a ballasting fluid (8), whereby the chambers (6) can selectively be filled with ballasting fluid.
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