Design of drainage and flood control in mountainous city during the process of urbanization planning
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Abstract:
Simulation of the drainage network operation in Yunxian as a typical mountainous city in northwestern Hubei was conducted using MIKE FLOOD and SWMM model, the distribution of flood points and waterlogging areas was analyzed,and the risk of waterlogging was assessed. And the result showed serious city waterlogging. The reasons for waterlogging were clarified based on the simulation results. Then based on the green storm water infrastructure,gray rainwater infrastructure was used to enhance the drainage and flood control capacity in the region,ensuring the security of Yunxian old town drainage and flood control in the process of urbanization. In conclusion, MIKE FLOOD model was used for verification of the engineering program,proving the feasibility of the engineering project.