Draining techniques, electrokinetic stabilization techniques, frizzing and heating techniques, Compaction and compression techniques (preloading & gravel pilles, dynamic compaction, Deep Dynamic Compaction, Rapid Impact Compaction, Vibro Rod, Vibroflotation, Vibro Replacement)grouting (Jet Grouting, Wet Soil Mixing), chemical stabilization techniques, geotextiles, slope retaining constructions (gravity walls, pile walls), rock fall protection systems.