EXPERIMENTAL STUDY ON THE LOADING AND SCOUR OF THE JACKET TYPE OFFSHORE WIND TURBINE FOUNDATION

Ray-Yeng Yang; Hsin-Hung Chen; Hwung-Hweng Hwung; Wen-Pin Jiang; Nian-Tzu Wu

doi:10.9753/icce.v32.structures.25

No. 32 (2010), Coastal Structures

No. 32 (2010)

EXPERIMENTAL STUDY ON THE LOADING AND SCOUR OF THE JACKET TYPE OFFSHORE WIND TURBINE FOUNDATION

Coastal Structures

https://doi.org/10.9753/icce.v32.structures.25

Published 2011-01-21

Ray-Yeng Yang⁺⁻
Hsin-Hung Chen
Hwung-Hweng Hwung
Wen-Pin Jiang
Nian-Tzu Wu

Ray-Yeng Yang

Hsin-Hung Chen

Hwung-Hweng Hwung

Wen-Pin Jiang

Nian-Tzu Wu

Proceedings of the 32nd International Conference

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Keywords

loading
scour
offshore wind turbine
jacket type foundation
fixed bed experiment
mobile bed experiment
scour protection

How to Cite

Yang, R.-Y., Chen, H.-H., Hwung, H.-H., Jiang, W.-P., & Wu, N.-T. (2011). EXPERIMENTAL STUDY ON THE LOADING AND SCOUR OF THE JACKET TYPE OFFSHORE WIND TURBINE FOUNDATION. Coastal Engineering Proceedings, 1(32), structures.25. https://doi.org/10.9753/icce.v32.structures.25

Abstract

A 1:36 scale model tests were carried out in the Medium Wave Flume (MWF) and Near-shore Wave Basin (NSWB) at the Tainan Hydraulics Laboratory (THL) with the jacket type offshore wind turbine foundation located in the test area. The loading of typhoon wave with current on the jacket type offshore wind turbine foundation was investigated in the MWF with fixed bed experiment. Meanwhile, the scour around the jacket type offshore wind turbine foundation exposed to wave and current was conducted in the NSWB with the moveable bed experiment. Two locations (water depth 12m and 16m) of the foundations are separately simulated in this study. Based on the analysis from the former NSWB experimental results, the suitable scour protection of a four-layer work around the foundation is also proposed to the impact of scour. Finally, a four-layer scour protection is tested and found to be effective in preventing scour around jacket type foundation of offshore wind turbines at water depth 12m and 16m.

https://doi.org/10.9753/icce.v32.structures.25

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References

De Bruyn, C. A. 1988. Scour near platform pier due to current and breaking waves,(in Dutch), Dept. of Coastal Eng., Delft Univ. Technology, Deft, The Netherlands.

den Boon, J.H., Sutherland, J., Whitehouse, R., Soulsby, R.,Stam, C.J.M., Verhoeven, K., Hogedal, M. and Hald, T. 2004. Scour Behaviour and Scour Protection for Monopile Foundations of Offshore Wind Turbines, In: Proceedings 2004 European Wind Energy Conference, London, UK. European Wind Energy Association[CD-ROM],pp. 14.

Schachner, Josef. 2004. Power connections for offshore wind farms, Delft University/ University of Leoben, Delft/ Leoben, Januari.

Sumer, B. M., Fredsoe, J., Christiansen, N. 1992. Scour around vertical pile in waves, ASCE J. Waterw., Port, Coastal Ocean Eng. 118(1), 15-31.http://dx.doi.org/10.1061/(ASCE)0733-950X(1992)118:1(15)

Sumer, B. M. and Fredsoe, J. 2002. The Mechanics of Scour in the Marine Environment, World Scientific, Singapore.

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EXPERIMENTAL STUDY ON THE LOADING AND SCOUR OF THE JACKET TYPE OFFSHORE WIND TURBINE FOUNDATION

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