| 摘要 |
<p>This watertight hemispherical end wall for an underwater structure, of the type comprising a set of sheet metal plates welded together, is characterized in that the sheet metal plates comprise a central cap (11) from which there extends a set of plates in the form of a petal (12), one end of which is welded to the edge of this cap (11), the lateral edges of which are welded to corresponding lateral edges of adjacent plates and the other end of which is welded to the remainder of the structure.</p> |
