Hollow grouted rock bolts had been developed by Williams and proved as a superior product for permanently reinforcing rock on previous projects, both surface and underground. This permitted designers to consider the economical construction of large underground power chambers without the use of heavy expensive reinforced concrete.

  • Availability:
  • Corporate Authors:

    Morgan-Grampian Limited

    30 Calderwood Street
    London SE18 6QH,   England 
  • Authors:
    • Wood Jr, V D
    • van Ryswyk, R
  • Publication Date: 1974-1

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00054928
  • Record Type: Publication
  • Source Agency: Tunnels and Tunnelling
  • Files: TRIS
  • Created Date: Jul 15 1974 12:00AM