Abstract
The waterway of Panjin Port is planning to be constructed in order to meet the requirement of the larger cargo ship. There are two layout schemes of the waterway and the back-silting under normal condition and storm surge is simulated by the numerical model. The results show that the construction of the waterway leads to the decrease of the sediment concentration within the waterway. For normal year without storm, the largest deposition occurs at 3km mileage then decreases along the seaward direction. The total deposition amount and average thickness of scheme 1 is larger than that of scheme 2. The SSW direction storm surge bring significant sediment deposition along the waterway. Under storm surge, the average deposition thickness of scheme 1 is smaller than that of scheme 2 because of the waterway direction. The one-week back-silting of 25-year return storm is larger than that of 10-year return storm. Different from other scenarios, in the case of a storm surge in 25 years, a sudden increase in siltation thickness at 10 km of the channel.
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Acknowledgments
This work is supported by the National Key R&D Program of China(2017YFC0405400), the Fundamental Research Fund of Nanjing Hydraulic Research Institute (Y218002).
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Jiao, J., Dou, X., Gao, X., Ding, L., Zhang, X. (2020). Numerical Model Study of Panjin Port Waterway Back-Silting. In: Trung Viet, N., Xiping, D., Thanh Tung, T. (eds) APAC 2019. APAC 2019. Springer, Singapore. https://doi.org/10.1007/978-981-15-0291-0_44
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DOI: https://doi.org/10.1007/978-981-15-0291-0_44
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