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Simulation of Dam Breaching and Flood Routing on the Jinsha River
Two landslide dams were formed on the upper reach of the Jinsha River on 10 October 2018 and 3 November 2018, respectively. Considering the great threats to the lives and properties in downstream areas, it is important to rapidly simulate the dam breaching and the flood routing for risk management. This paper focuses on the second landslide dam that has a higher dam height and leads to higher risk. A physically-based model is adopted to simulate the dam breaching process due to overtopping erosion. Subsequently, flood routing analysis along a 640 km-long reach is conducted using a one-dimensional hydrodynamic model. The simulation results of both breaching and flooding analyses are in good agreement with field observations.
Simulation of Dam Breaching and Flood Routing on the Jinsha River
Two landslide dams were formed on the upper reach of the Jinsha River on 10 October 2018 and 3 November 2018, respectively. Considering the great threats to the lives and properties in downstream areas, it is important to rapidly simulate the dam breaching and the flood routing for risk management. This paper focuses on the second landslide dam that has a higher dam height and leads to higher risk. A physically-based model is adopted to simulate the dam breaching process due to overtopping erosion. Subsequently, flood routing analysis along a 640 km-long reach is conducted using a one-dimensional hydrodynamic model. The simulation results of both breaching and flooding analyses are in good agreement with field observations.
Simulation of Dam Breaching and Flood Routing on the Jinsha River
Springer Ser.Geomech.,Geoengineer.
Zhang, Jian-Min (editor) / Zhang, Limin (editor) / Wang, Rui (editor) / Xu, Zhengdan (author) / He, Jian (author) / Xiao, Te (author)
The International Conference on Embankment Dams ; 2020 ; Beijing, China
2020-04-21
6 pages
Article/Chapter (Book)
Electronic Resource
English
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