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Deokhee Won, Jihye Seo, Osoon Kwon, Hae-Young Park and Hyoun Kang
The foundations of offshore wind power can be classified as floating, tripod, jacket, monopile, or gravity-based, depending on the support type. In the case of tripod- and jacket-type supports, the structures require precise construction. There are two m...
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Jiakang Li, Zhe Zhang, Lu Wang, Zhe Ma and Wenyuan Wang
Aiming at the problem of excessive vertical vibration caused by seismic primary waves in jacket structures located in seismic zones in China, a new type of shear plate metal damper with upper and lower elliptical openings (SPA) is proposed in this paper....
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Guilan Wang, Yi Gan, Conghuan Le, Ruiyang Yan and Xueyang Hu
Tripod bucket jacket foundation is an alternative foundation solution for deep-sea wind farms. This paper analyzes and compares the bearing characteristics of two tripod bucket jacket foundations with different height-diameter ratios, the tripod suction ...
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Mingsheng Chen, Guibo Yuan, Chun Bao Li, Xianxiong Zhang and Lin Li
The jacket is the most widely-used fixed foundation for offshore wind turbines due to its superior strength and low installation cost in relatively deep waters. Floating crane vessels are commonly used to install jacket foundations. However, the dynamic ...
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Ali Marjan and Phil Hart
The lifetime of offshore foundations is governed by a combination of harsh environmental conditions and complex service loads. The fatigue limit state (FLS) analysis needs to be performed in the time domain to capture the complex phenomenon. This study a...
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Jiangsong Yin, Sa Li, Liqiang Sun and Tingting Li
The assessment of pile drivability is the premise of successful pile installation, and completely weathered (CW) rock may bring the risk of pile refusal. This paper presents a case of pile driving refusal that occurred in a CW gneiss layer. The physical ...
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Ángel Encalada-Dávila, Lenín Pardo, Yolanda Vidal, Efraín Terán and Christian Tutivén
Structural health monitoring (SHM) systems are designed to continually monitor the health of structures (e.g., civil, aeronautic) by using the information collected through a distributed sensor network. However, performing tests on real structures, such ...
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Hsien Hua Lee, Guan-Fu Chen and Hsiang-Yu Hsieh
This study is focused on the wave energy converter of an oscillating water column (OWC) system that is integrated with a jacket type infrastructure applied for an offshore wind turbine system. In this way, electricity generation by both wind power and wa...
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Sung-Shan Hsiao, Hsing-Yu Wang and Yun-Chih Chiang
The objective of this study was to adequately examine potential wave fields, flow fields, and suspended load changes in different wind turbine foundations. Accordingly, this study applied the hydrodynamic model to simulate waves, currents, and suspended ...
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Ervin Hoxha, Yolanda Vidal and Francesc Pozo
Cost-competitiveness of offshore wind depends heavily in its capacity to switch preventive maintenance to condition-based maintenance. That is, to monitor the actual condition of the wind turbine (WT) to decide when and which maintenance needs to be done...
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