MAD 603E - Rock Cutting Mechanics in Mine and Tunnel Excavation

Course Objectives

Rock Cutting Mechanics in Mine and Tunnel Excavation

Course Description

Classification of rock cutting tools, chisel picks, conical cutters, disc cutters. Dependent and independent variables in rock cutting. Theoretical calculation of cutter forces in relieved and unrelieved cutting, Evans, Nishimatsu and Merchant ? Potts theories. The comparison of theoretical and experimental values. Empirical equations for estimation of cutter forces. Design of cutter heads with the aid of cutting theories. Wear of cutting tools and its effect on machine performance.