Permeability of light-weight soil made of dredged slurry mixed iwth air foam and cement

摘要

One of the effective utilization of dredged slurry is by means of forming new geo-material by mxing it with air foam and cement. The characteirstics of such mateirals cna be influenced by the sea water. In severe cases, where the permeability is high, pollution of ground and sea water remains a possibility. To check the permeability of such a material is the most important part to utilize it. In this paper, several permeability experiments and numerical calculation are carried out to discuss the permeability of light-wegith soil (LWS) made-up of dredged slurry mixed with air foam and cement. The pore fluid in LWS is compressive, because of exisitng of air foam. To estiamte 'true' permeability, compressibility of the pore fluid is taken in consideration in this study.