Transmission of the topographic system and orientation from the surface to an underground mine using 2 vertical shafts. Comparison between the classical and gyroscope method

Abstract

1 ICL Chair in Sustainable Mining. Polytechnic University of Catalonia (UPC), Avenue Bases de Manresa, 61-73, 08242-Manresa Spain lluis.sanmiquel@upc.edu; marc.bascompta@upc.edu 2 Department of Mathematics. Polytechnic University of Catalonia (UPC), Avenue Bases de Manresa, 61-73, 08242-Manresa Spain josep.maria.rossell@upc.edu 3 Department of Mining Engineering, Industrial and ICT Polytechnic University of Catalonia (UPC), Avenue Bases de Manresa, 61-73, 08242-Manresa Spain hernan@emrn.upc.edu