曾凡兴,麦权想,路川藤,等. 港珠澳大桥沿线极端风暴增水特征研究[J]. 水利水运工程学报,2023(3):1-9. doi: 10.12170/20220615001
引用本文: 曾凡兴,麦权想,路川藤,等. 港珠澳大桥沿线极端风暴增水特征研究[J]. 水利水运工程学报,2023(3):1-9. doi: 10.12170/20220615001
(ZENG Fanxing, MAI Quanxiang, LU Chuanteng, et al. Study on the characteristics of extreme storm surge along Hong Kong-Zhuhai-Macao Bridge[J]. Hydro-Science and Engineering, 2023(3): 1-9. (in Chinese)). doi: 10.12170/20220615001
Citation: (ZENG Fanxing, MAI Quanxiang, LU Chuanteng, et al. Study on the characteristics of extreme storm surge along Hong Kong-Zhuhai-Macao Bridge[J]. Hydro-Science and Engineering, 2023(3): 1-9. (in Chinese)). doi: 10.12170/20220615001

港珠澳大桥沿线极端风暴增水特征研究

Study on the characteristics of extreme storm surge along Hong Kong-Zhuhai-Macao Bridge

  • 摘要: 开展风暴潮作用下跨海交通设施沿线增水的特征研究,对交通工程运维期的防灾减灾和结构安全评估具有重要意义。基于1951—2020 年实测台风资料,统计分析了以港珠澳大桥为中心的不同范围台风参数变化特征,发现自1951 年以来,珠江口附近水域的年均台风数量、台风最大风速、台风中心最低气压趋势性变化不明显。构建了西太平洋风暴潮数学模型,计算了港珠澳大桥沿线不同区域的增水特征值,研究认为港珠澳大桥自西向东风暴增水值逐渐降低,大桥西侧珠澳人工岛处200 年一遇风暴增水值为3.17 m,50 年一遇为2.31 m,东侧东西人工岛处200 年一遇风暴增水值约为2.30 m,50年一遇约为1.70 m。研究结果可为港珠澳大桥运维期安全评估提供技术支撑。

     

    Abstract: The research on the characteristics of water increase along the sea crossing transportation facilities under the action of storm surge is of great significance to the disaster prevention and mitigation and structural safety assessment during the operation and maintenance period of transportation projects. Based on the measured typhoon data from 1951 to 2020, the variation characteristics of typhoon parameters in different ranges centered on Hong Kong-Zhuhai-Macao Bridge are statistically analyzed. It is found that the annual average number of typhoons, the maximum wind speed of typhoons and the minimum pressure in the center of typhoons in the waters near the Pearl River Estuary have not changed significantly since 1951. The storm surge mathematical model in the Western Pacific is established, and the characteristic values of storm surge in different areas along the Hong Kong-Zhuhai-Macao Bridge are calculated. The research shows that the storm surge of the Hong Kong-Zhuhai-Macao Bridge gradually decreases from west to East. The 200 years storm surge at the Zhuhai-Macao artificial island on the west side of the bridge is 3.17 m, the 50 years is 2.31 m, and the 200 years storm surge at the East-West artificial island is about 2.30 m, and the 50 years is about 1.70 m. The research results can provide technical support for the safety assessment of Hong Kong-Zhuhai-Macao Bridge during operation and maintenance period.

     

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