TUNNELLING IN THE UNITED STATES OF AMERICA

THE HARD ROCK TUNNELLING METHODS USED BY AMERICAN ENGINEERS ARE DISCUSSED WITH PARTICULAR REFERENCE TO MECHANIZATIONS POLICIES TO OFFSET THE HIGH LABOR COST IN THE UNITED STATES. THE MAIN DRILLING OPERATIONS ARE DESCRIBED AND SOME MAJOR ITEMS OF EQUIPMENT ARE EXAMINED. A BRIEF ACCOUNT IS GIVEN OF THE EXPLOSIVES USED AND THE VENTILATING SYSTEMS ADOPTED. TRANSPORTATION SERVICES DURING THE TUNNELLING OPERATIONS AND THE UTILIZATION OF TRANSPORT EQUIPMENT ARE DISCUSSED. REFERENCE IS MADE TO THE IMPORTANCE OF FIRST-CLASS MANAGEMENT IN RELATION TO THE PHYSICAL AND ECONOMIC SUCCESS OF A TUNNELLING OPERATION, AND THE ADVANTAGE OF CORRECT MINING ORGANIZATION IS STRESSED. A BRIEF SURVEY OF SOME MAIN AMERICAN TUNNELLING ACHIEVEMENTS IS GIVEN. /RRL(A)/

  • Supplemental Notes:
    • pp 253-263, 2 FIG, 7 PHOT, 1 TAB
  • Corporate Authors:

    Institute of Mining Engineers

    London,   England 

    Proc Symp Shaft Sinking & Tunneling

    ,    
  • Authors:
    • Kimballs, S
  • Publication Date: 0

Subject/Index Terms

Filing Info

  • Accession Number: 00232330
  • Record Type: Publication
  • Source Agency: Road Research Laboratory /UK
  • Files: TRIS
  • Created Date: Aug 1 1971 12:00AM