Recently, Coastal reclamation, as a method of efficient land use, has been actively performed in Korea. As Korea has three way coast lines and lack of land resource, dredged reclamation is selected the useful way. In this paper, by performing self-weight consolidation test, characteristics of sedimentation and self-weight consolidation are grasped for condition of dredge soil. And Concentration of design is also determined. In addition, by performing test for Concentration of suspended solid, a study on the behavior of suspended soild with various fine contents.