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Analysis of Grinding and Chipping Processes beneath Disc Cutters of Hard Rock Tunnel Boring Machines (Case study: Uma-Oya water Conveyance Tunnel, SriLanka)

Seyed M. Pourhashemi; K. Ahangari; J. Hassanpour; Seyed M. Eftekhari

Volume 12, Issue 1 , January 2021, , Pages 281-297

http://dx.doi.org/10.22044/jme.2021.10425.1993

Abstract
  Mechanized tunneling in rocks is based on fracture propagation and rock fragmentation under disc cutters. Rock chipping is an efficient kind of fragmentation process, while the grinding process may occur under special conditions. The cutter-head penetration is an appropriate parameter involved in order ...  Read More