| Building superhighway on the deep soft soil foundation, which satisfy the request of stabilization and settlement, need to be treated with the effective and economic soft ground treatment. The vacuum and piled-load preloading method is combined by vacuum preloading method and piled-load preloading method, having the merit of a construction fast, short time limit for a project, safety and stability, no carrying heaped material, economy and efficiency, etc.By analysis and research for the dissimilarity consolidating mechanism of the vacuum preloading method and piled-load preloading method and the vacuum and piled-load preloading method, along with spot trying on the experiment and research of the vacuum and piled-load preloading method, which clarify the consolidating mechanism and various influencing factors which influence reinforcing foundation's result and it's consolidating characteristics, putting forward the design and method (include design contents, stability checking, settlement analyzing and computing) and construction and testing essentials, moreover combining the engineering example as to carry on economic technique argument about it's consolidating effect and consolidating method, which explain the vacuum and piled-load preloading method is a kind of method on the superhighway's deep soft soil foundation with reasonable economy and viable technique, which could be widely used in treating the deep soft ground of superhighway effectively and economically . |