Prospect analysis of reclamation projects using dredged spoils in Shanghai

Based on the physical and chemical properties of the dredged spoil samples in Shanghai,prospect analysis of reclamation projects using clean dredged spoils was conducted in terms of the availability and economic costs.Grain-size analysis results show that the dredged spoils can be used as a material of the reclamation projects in this study area.Based on the economic analysis of breakeven in reclamation projects using clean dredged spoils,project costs can be reduced when route distance from the dredging place to the reclamation projects is longer than the critical route distance.Reclamation projects using clean dredged spoils in Shanghai are considered a green marine industry.It can reduce the pressure of waste dumping at sea,and can alleviate the problem of resources shortage in reclamation projects in Shanghai.The application of the dredged spoils in reclamation projects has technical and economic feasibility,and needs specific analysis for specific projects,and especially needs policy support and guidance.