| 摘要 |
<p>The invention relates to a device (1) for cleaning the inside or outside of a hollow pile (2) that has been provided into a substrate, in particular an underwater bottom (3). The device comprises a hollow tube (5), adapted to be lowered into or around the pile (2) by lowering means, the tube being provided at an end with excavating means (7) for dislodging bottom material (3) present inside or outside the pile, with means for upwardly discharging the dislodged bottom material through the hollow tube, and with a plurality of first fluid jet nozzles (75), adapted to eject a fluid against the inner or outer wall of the pile. The invention also relates to an efficient method for cleaning the inside or outside of a hollow pile by using the device, and a jack-up pontoon provided with the device.</p> |
