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Scour Characteristics at the Toe of Xijiangtang Seawall in Qiantang Estuary
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Zhi-yong ZHANG1, 2, Fu-yuan CHEN1, 2, Jian ZENG1, 2, Yuan-ping YANG1, 2, Kun HE1, 2
Water Resources and Power | 2023, 41(11) : 35 - 38
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Water Resources and Power | 2023, 41(11): 35-38
• HYDROLOGY, WATER RESOURCES AND ENVIRONMENT •
Scour Characteristics at the Toe of Xijiangtang Seawall in Qiantang Estuary
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Zhi-yong ZHANG1, 2, Fu-yuan CHEN1, 2, Jian ZENG1, 2, Yuan-ping YANG1, 2, Kun HE1, 2
Affiliations
  • 1.Zhejiang Institute of Hydraulics and Estuary, Hangzhou 310020, China
  • 2.Key Laboratory of Estuary and Coast of Zhejiang Province, Hangzhou 310020, China
Published: 2023-11-25 doi: 10.20040/j.cnki.1000-7709.2023.20230019
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The scour of seawall toe is the one of the main factors for influencing structural stability of seawall estuary. The study of the scour characteristics at seawall toe under complex hydrodynamics and prediction method is of great significance for the seawall stability. Based on the field monthly measured topographic data since 2010, the time evolution of toe scour at Xijiangtang Seawall in Qiantang Estuary was discussed and the influence of flood was identified. The research results show that the seawall toe is eroded during flood, while there is silting during tide, and the critical flood discharge for scouring is about 5 000 m3/s. Based on the theory of sediment carrying capacity and riverbed deformation, a new scour prediction method is developed and the relative error is significantly improved within 20%.

estuary  /  seawall toe scour  /  sediment carrying capacity  /  prediction method
Zhi-yong ZHANG, Fu-yuan CHEN, Jian ZENG, Yuan-ping YANG, Kun HE. Scour Characteristics at the Toe of Xijiangtang Seawall in Qiantang Estuary[J]. Water Resources and Power, 2023 , 41 (11) : 35 -38 . DOI: 10.20040/j.cnki.1000-7709.2023.20230019
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Year 2023 volume 41 Issue 11
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20230019
  • Receive Date：2023-01-05
  • Online Date：2026-01-27
  • Published：2023-11-25
Article Data
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History
  • Received：2023-01-05
  • Revised：2023-02-15
Funding
Affiliations
    1.Zhejiang Institute of Hydraulics and Estuary, Hangzhou 310020, China
    2.Key Laboratory of Estuary and Coast of Zhejiang Province, Hangzhou 310020, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20230019
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表12种不同金属材料的力学参数
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Family		 属数
Number of
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Number of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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