Development of Seismic Demand for Chang-Bin Offshore Wind Farm in Taiwan Strait

Yu-Kai Wang, Juin-Fu Chai, Yu-Wen Chang, Ti-Ying Huang and Yu-Shu Kuo
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Yu-Kai Wang: Department of Hydraulic and Ocean Engineering, National Cheng Kung University, Tainan 701, Taiwan
Juin-Fu Chai: National Center for Research on Earthquake Engineering, Taipei 106, Taiwan
Yu-Wen Chang: National Center for Research on Earthquake Engineering, Taipei 106, Taiwan
Ti-Ying Huang: Department of Hydraulic and Ocean Engineering, National Cheng Kung University, Tainan 701, Taiwan
Yu-Shu Kuo: Department of Hydraulic and Ocean Engineering, National Cheng Kung University, Tainan 701, Taiwan

Energies, 2016, vol. 9, issue 12, 1-19

Abstract: Taiwan is located on the Pacific seismic belt, and the soil conditions of Taiwan’s offshore wind farms are softer than those in Europe. To ensure safety and stability of the offshore wind turbine supporting structures, it is important to assess the offshore wind farms seismic forces reasonably. In this paper, the relevant seismic and geological data are obtained for Chang-Bin offshore wind farm in Taiwan Strait, the probabilistic seismic hazard analysis (PSHA) is carried out, and the first uniform hazard response spectrum for Chang-Bin offshore wind farm is achieved. Compared with existing design response spectrum in the local regulation, this site-specific seismic hazard analysis has influence on the seismic force considered in the design of supporting structures and therefore affects the cost of the supporting structures. The results show that a site-specific seismic hazard analysis is required for high seismic area. The paper highlights the importance of seismic hazard analysis to assess the offshore wind farms seismic forces. The follow-up recommendations and research directions are given for Taiwan’s offshore wind turbine supporting structures under seismic force considerations.

Keywords: offshore wind; supporting structures; seismic hazard analysis; design earthquake; response spectrum (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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