ABSTRACT

Rock cuttability is an important parameter in rock cutting mechanics discipline for selection of a proper excavation machine and performance determination in mechanized tunneling. Different tests were used in the past for this purpose including core cutting tests, full scale rock cutting tests, index tests etc. Some of these tests are time consuming and expensive, and some others are not precise enough, Balci & Bilgin (2007), Bilgin a (2006), Çopur et al. (1997, 2001) McFeatSmith & Fowell (1979), Rostami et al. (1994).Thuro & Plinninger (1999).