In this article the author notes the need for rationalisation of tunnel sizes, considering the cost of tunnelling machinery. A broad classification of tunnel types is given and the ground support systems currently in use for tunnelling in soft and hard materials. Comments are included on methods of tunnel lining. Descriptions are included of several large and small tunnelling machines, and the author gives a personal list of tunnel sizes and the appropriate machine to use. Mention is made of drilling and blasting techniques and methods for disposal of muck are described. The problem of ensuring adequate ventilation, as laid down in the factories act of August 1975, is considered at some length, and a final note added on the use of (TRRL)

  • Availability:
  • Corporate Authors:

    Fuel and Metallurgical Journals Limited

    Queensway House, 2 Queensway, Redhill
    Surrey RH1 1QS,   England 
  • Authors:
    • Hutchinson, D
  • Publication Date: 1978-8

Media Info

  • Features: Figures; Photos;
  • Pagination: 2 p.
  • Serial:
    • Water Services
    • Volume: 82
    • Issue Number: 990
    • Publisher: Fuel and Metallurgical Journals Limited
    • ISSN: 0301-7028

Subject/Index Terms

Filing Info

  • Accession Number: 00303018
  • Record Type: Publication
  • Source Agency: Transport Research Laboratory
  • Files: ITRD, TRIS
  • Created Date: Jan 30 1980 12:00AM