To make this concept a viable option, the Jet-ring should be retrievable as a reduction in cost but also in materials. A Jet-ring is a tool to reduce the sand induced inside shaft friction by fluidizing the inside of the monopile during installation.
By using a Vibrohammer combined with a Jet-ring this problem could be solved. Current installation methods create too much noise or do not have the certainty of reaching the required depths. Reducing noise pollution during offshore monopile installation is crucial for marine life. Design of a constant diameter retractable Jet-ring with inside-out jetting combined with a Vibro-hammerĭe Jong, Daan (TU Delft Mechanical, Maritime and Materials Engineering TU Delft Offshore Engineering)
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