Site soils in southern area of Jiangsu province belong to washland sediment or limnetic facies sediment.The components of sediment are very complex and process of sedimentation is in disorder.
苏南地区场地主要为漫、沼或冲新近沉积软弱,结构松散,沉积零乱,成分复杂,饱水可液粉细砂层及粉层较为发育,在地或动力荷载的作用下有可能发生软陷或砂液。