ECONOMIC FACTORS OF MECHANICAL ROCK TUNNELING

THE OPERATING COSTS ARE STUDIED OF MEDIUM TO MEDIUM-HARD ROCK BORING MACHINES. THE MAIN FACTORS INFLUENCING COSTS CAPITAL INVESTMENTS, CUTTERS, LABOR, POWER REQUIREMENTS AND MAINTENANCE ARE BRIEFLY DISCUSED. /RRL/

  • Supplemental Notes:
    • pp 75-78, 3 FIG, 5 TAB
  • Corporate Authors:

    Mining Engineering

    ,    
  • Authors:
    • Norman, N E
    • Stier, R
  • Publication Date: 1967-6

Subject/Index Terms

Filing Info

  • Accession Number: 00234926
  • Record Type: Publication
  • Source Agency: Road Research Laboratory /UK
  • Files: TRIS
  • Created Date: Oct 26 1970 12:00AM