| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a self-elevating working barge that enables the efficient execution of work for bringing about bottom contact of an elevating leg for supporting the working barge and work for lifting and lowering a barge body.SOLUTION: A self-elevating working barge 10 includes an elevating leg 12 that is erected at a predetermined height from a seabed K to a sea level M, and a barge body 11 that can float on the sea level M and that is ascendably/descendably arranged at sea via the elevating leg 12. In the self-elevating working barge 10, the elevating leg 12 has a hollow square cylinder shape, and the barge body 11 comprises a rectangular cross-section loose-fitting hole 13 for loosely fitting the elevating leg 12.</p> |
