Foz Tua Dam
Portugal
MSF/SOMAGUE/MOTA-ENGIL
Construction of concrete double curvature arch dam of 108 metres and a crest length of 275 metres. Underground hydraulic circuit of 700 metres in length, consisting on two separate tunnels, both lined, with inner diameters of between 7.5 and 5.5 m. The diversion works consists of two cofferdams and a 400 m long tunnel, with a diameter of 7 m.
• Geological and geotechnical mapping of excavated fronts (open pit and underground);
• Elaboration of instrumentation and monitoring design and analysis of obtained data;
• Contribution for the outlining of construction methodologies and quarry exploitation;
• Geotechnical design of open pit and underground excavations and its support systems.
