Hazard considerations in the vulnerability assessment of offshore wind farms in seismic zones

被引：9

作者：

Bhattacharya, Subhamoy ^{[1
,2
]}

Amani, Sadra ^{[1
]}

Prabhakaran, Athul ^{[2
]}

Macabuag, Joshua ^{[3
]}

机构：

[1] Univ Surrey, Dept Civil & Environm Engn, Guildford, Surrey, England

[2] OWF PRA Univ Surrey spin out, Guildford, Surrey, England

[3] Univ Calif San Diego, Dept Struct Engn, La Jolla, CA USA

来源：

EARTHQUAKE ENGINEERING AND RESILIENCE | 2022年 / 1卷 / 01期

关键词：

liquefaction; offshore wind turbines; seismic design; tsunami; vulnerability; P-Y CURVES; CONSTRUCTION; BUILDINGS;

D O I：

10.1002/eer2.11

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Offshore wind power is increasingly becoming a mainstream energy source, and efforts are underway toward their construction in seismic zones. An offshore wind farm consists of generation assets (turbines) and transmission assets (substations and cables). Wind turbines are dynamically sensitive systems due to the proximity of their resonant frequency to that of loads considered in their analyses. Such farms are considered lifeline systems and need to remain operational even after large earthquakes. This study aims to discuss hazard considerations involved in the resilience assessment of offshore wind farms in seismic regions. The complexity of design increases with larger turbines installed in deeper waters, resulting in different types of foundations. In addition, Tsunami inundation is shown to be an important consideration for nearshore turbines.

引用

页码：88 / 109

页数：22

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