| 摘要 |
<p>A support (8) of the deep caisson type, with a longitudinal axis (O) has a lower portion (8c) in a body of water and an upper portion (8a) for support of a platform (2) above a water surface (F). The support comprises an extended portion (8b) in an area between the upper portion (8a) and the lower portion (8c), whereby the support's heave natural period is increased. The extended portion (8b) may comprise one or more internal storage chambers (18) and one or more ballast chambers (16).</p> |
