Research on road planning for flood detention areas based on flood risk management
Article
Figures
Metrics
Preview PDF
Reference
Related
Cited by
Materials
Abstract:
Scientific planning of roads and other linear features is an important means of coordinating the contradiction between flood control and detention areasand economic development. Therefore, in this paper, the flood danger, exposure, and vulnerability, the scientific planning of roads and other linear ground features were discussed based the on flood risk management model in the Dahuangpuwa flood detention area in Tianjin . Moreover, the way to determine the optimal road construction plan from flood risk was put forward. Given the irregularity of the spatial distribution of various kinds of property in the flood detention area, which leads to the characteristics of random variation of flood losses with geomorphology, flooding results calculated by hydrodynamic models need to be used to determine flood risk. The application in Dahuangpuwa flood detention area in Tianjin showed that road planning based on flood risk was necessary,and it has the advantage of taking into account the overall flood control. 1n conclusion, the arrangements of the road in Dahuangpuwa flood detention area, the direction of the road should be 90°with the mainstream direction of flood routing.while the road position should be about 10 km from the flood diversion gate and the size of the culvert should be 3m. By doing this practice the economic loss caused by the flood may be the least, and the flood risk under this scheme may mininial.