Cape Breton Development Corporation's experience with a tunnel-boring machine in coal measures

CIM Bulletin, Vol. 79, No. 891, 1986

J. COADY MARSH, Project Manager, DAN CURRIE, Chief Mine Electrician, GARY LANDRY, Senior Project Engineer, Cape Breton Development Corporation, Donkin-Morien Development Project, and TOM LAMB, Mining Engineer Finlay Walker Mining & Tunnelling, Ltd.

This paper describes the Cape Breton Development Corporation's experience with the Lovat M-300 tunnel-boring machine at the Donkin-Morien Mine. Between January 3 and December 21, 1984, the 7.6 m (25 ft) diameter TBM advanced 3350 m (10 990 ft). The authors will describe experiences with the machine and highlight the implications of tunnelling machines to underground coal mine development in Canada.
Mots Clés: Coal operating methods, Tunnel-boring machines, Mine development, Tunnelling, Ventilation, Drilling, Blasting.