Seepage flows and groundwater flows are water movements in a permeable subsoil (sand, gravel, etc.) This includes the seepage and retention of precipitation. In hydraulic engineering it is the seepage through earth dams or the seepage under barrages in particular that are of importance.
Visualisation of streamlines in a Hele-Shaw cell, ink as contrast medium.
Three-dimensional investigations; demonstration of lowering of groundwater; investigation of excavation pits.
Visualisation of seepage flows
Graphical determination of flow nets; investigation of water pressure on structures.
Studies in hydrology
Investigation of precipitation-discharge relationships, storage capacity of soils, seepage flows and groundwater flows.
Advanced hydrological investigations
Seepage flows and groundwater flows in soils; sediment transport and obstacles in running waters.
Hydrographs after precipitation
Correlations between precipitation and seepage; storage capacity and drainage methods.
Cake and depth filtration
Fundamentals of filtration: Darcy’s equation.