CE651. Geotechnical Works (ects: 5) Geotechnical and In situ investigations: exploratory boreholes, drilling equipments, soil and rock sampling, samples description. In situ testing: standard penetration tests, cone penetration test, pressuremeter test, plate test, cross - hole and down hole dynamic tests, vane test, empirical correlation to soil properties. Geotechnnical report: evaluation of geotechnical investigation results, construction of geotechnical cross section. Embankments: consolidation - time dependent deformations, synizesis, bearing capacity - internal stability, construction method - compaction. Soil improvement: methods for soil improvement, preloading, vertical drains, stone columns. Retaining walls: rigid - flexible walls, reinforcement, construction methods. Dam geotechnics principles: gravity dams, concrete dams, materials, construction methods, engineering geology issues. Liquefaction: mechanisms, liquefaction potential - criteria.