Ervin Paci; Polytechnic University of Tirana; Alma Afezolli; Polytechnic University of Tirana; Arben Dervishaj; Polytechnic University of Tirana
(International Balkans Conference on Challenges of Civil Engineering, 2013-07-15)
The tunnels due to their restrictions as a infrastructure work often overpass very disturbed tectonic zones. In those zones due to overthrust geological processes the rockquality are extremely poor in one side, and changes ...