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Development of Continuous Spiral Drill and Blast Tunneler. Phase IV.
Peterson-CR; Fisk-AT; Lundquist-RG
NTIS: PB/82-243957 :95 pages
A long-recognized goal in high-speed tunneling and mining has been the development of a continuous drill and blast excavation capability. This report presents the results of tests conducted on an integrated drill-load-shoot system in which the explosive and initiator are loaded directly through the drill steel as the latter is withdrawn from the hole.
CP; Final Contract Report;
NTIS Accession No.
Page last reviewed: September 2, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division