Soil very often does change over longer periods. Especially in situations involving soft soils, geological active areas or man-made disturbances. In Ple4Win a wide variety of causes for soil deformation can be modelled, such as river deltas, earthquakes, landslides and trenching & backfill during installation of the pipeline. The program allows to define soil settlements in three dimensions, subsidences in different shapes, overburden and live loads on top of soil such as traffic loads.