washland

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.

苏南地区场地漫滩相、湖沼相冲湖相新近沉积软弱,结构松散,沉积零乱,成分复杂,饱水可液粉细层及粉层较发育,在地震动力荷载的作用下有可能发生软震陷液。