The use of long Swellex bolts proved highly successful in preventing rock bursts in hard, brittle rock, on the second Kan-Etsu Tunnel in Japan. These bolts proved to be reliable in hard rock as well as in water bearing rock. A detailed discussion is given as to the process of elimination used prior to selecting Swellex and on rock bursts and how they are formed.

  • Availability:
  • Corporate Authors:

    Morgan-Grampian (Construction Press) Limited

    Morgan-Grampian House, 30 Calderwood Street
    London SE18 6QH,   England 
  • Authors:
    • Stillborg, E B
    • HAMRIN, H
  • Publication Date: 1990-3

Media Info

  • Features: Figures; Photos;
  • Pagination: 3 p.
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00493815
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Apr 30 1990 12:00AM