5. Preparation of model ground
5.1 Preparation of model ground with clayey soils
5.1.1 Consolidation by applying surface load
5.1.2 Self-weight consolidation
5.1.3 Soil mixer
5.2 Preparation of model ground with sand
5.2.1 Hoppers for pouring dry sand
5.2.2 Density control of sand sample
5.2.3 Density measuring mold
5.2.4 Method of surface smoothing
5.2.5 Method of saturation
5.2.6 Pore fluid used for dynamic tests of soil-water interaction problems