Investigation On Regular Road Foundation Treatments For Soft Soil In Foshan Region Of Guangdong Province

There are many kinds of unfavorable geology for highway construction in China. And the soft soil is the most common in southern with many plains and rivers. Soft soil foundation treatment is one important part of the highway construction.Currently we have more mature approach in the soft soil foundation treatment, for example: bagged sad well and prepress, plastic drainage broad and prepress, cement mixer pile, Cement Fly-ash Grave, vacuum prepress, pipe pile, high pressure spraying pile. These methods are usually used. Every method has different advantages and disadvantages. Every method is different from the others at time, economy, conditions of usage and treatment effect.With experience of construction in Foshan area, this article compare and analyse these usual soft soil foundation treatments at time, economy, conditions of usage and treatment effect. This article's priority is compare and analyse these usual soft soil foundation treatments, to provide a reference for design and decision.