Optimization design of retaining structures for high filling projects close to buildings on soft soils

A systematic analysis is given for the scheme selection and mechanical characteristics of retaining structures with high filling adjacent to the buildings on soft ground. The critical technical problem is also summarized. A new type of composite retaining structure with pile-supported reinforced soils is put forward. It is successfully applied to the retaining structures for a typical project in Shanghai. The design principle and method may provide reference for similar projects.