EP0379388A3 - Hollow cable bolt - Google Patents

Hollow cable bolt Download PDF

Info

Publication number
EP0379388A3
EP0379388A3 EP19900300610 EP90300610A EP0379388A3 EP 0379388 A3 EP0379388 A3 EP 0379388A3 EP 19900300610 EP19900300610 EP 19900300610 EP 90300610 A EP90300610 A EP 90300610A EP 0379388 A3 EP0379388 A3 EP 0379388A3
Authority
EP
European Patent Office
Prior art keywords
bolt
hollow cable
cable bolt
hole
grout
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19900300610
Other languages
German (de)
French (fr)
Other versions
EP0379388A2 (en
Inventor
Michael Langford Malkoski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vale Canada Ltd
Original Assignee
Vale Canada Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vale Canada Ltd filed Critical Vale Canada Ltd
Publication of EP0379388A2 publication Critical patent/EP0379388A2/en
Publication of EP0379388A3 publication Critical patent/EP0379388A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E21D21/006—Anchoring-bolts made of cables or wires

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Piles And Underground Anchors (AREA)
  • Reinforcement Elements For Buildings (AREA)

Abstract

A hollow cable bolt having a central tube (12) circumscribed by a plurality of wound wires (14). The bolt is inserted into a hole (16) and grout (22) is pumped into the bore of the tube. The grout exits the bolt and flows within the annulus formed between the hole and the bolt.
EP19900300610 1989-01-23 1990-01-22 Hollow cable bolt Withdrawn EP0379388A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA588895 1989-01-23
CA588895 1989-01-23

Publications (2)

Publication Number Publication Date
EP0379388A2 EP0379388A2 (en) 1990-07-25
EP0379388A3 true EP0379388A3 (en) 1991-03-13

Family

ID=4139500

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900300610 Withdrawn EP0379388A3 (en) 1989-01-23 1990-01-22 Hollow cable bolt

Country Status (2)

Country Link
EP (1) EP0379388A3 (en)
AU (1) AU4867890A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101280686B (en) * 2007-02-28 2014-04-09 简恩马股份有限公司 Improved cable bolt

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5570976A (en) * 1991-07-26 1996-11-05 J.J.P. Geotechnical Engineering Pty. Ltd. Cable bolt
GB2262970B (en) * 1991-12-19 1995-02-15 Bridon Plc Flexible roof bolt
AU2008241376A1 (en) * 2007-04-23 2008-10-30 Onesteel Wire Pty Limited Reinforcing of formations

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3434020A1 (en) * 1984-09-15 1986-03-27 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Yielding roof bolt
US4589803A (en) * 1984-01-09 1986-05-20 Totten Iii Arthur B Method and apparatus for installing mine roof supports
EP0196451A1 (en) * 1985-03-05 1986-10-08 Dyckerhoff & Widmann Aktiengesellschaft Tension element for a rock bolt or the like
DE3532070A1 (en) * 1985-09-09 1987-03-26 Bwz Berg Ind Tech Roof bolt, in particular for mining
US4697960A (en) * 1985-05-31 1987-10-06 Cominco Ltd. Method and apparatus for anchoring rock bolts and cables
FR2614069A1 (en) * 1987-04-18 1988-10-21 Dyckerhoff & Widmann Ag FIELD RETENTION ANCHOR FOR CONSOLIDATING GALLERIES AND SPACES IN MINING AND TUNNELS

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4589803A (en) * 1984-01-09 1986-05-20 Totten Iii Arthur B Method and apparatus for installing mine roof supports
DE3434020A1 (en) * 1984-09-15 1986-03-27 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Yielding roof bolt
EP0196451A1 (en) * 1985-03-05 1986-10-08 Dyckerhoff & Widmann Aktiengesellschaft Tension element for a rock bolt or the like
US4697960A (en) * 1985-05-31 1987-10-06 Cominco Ltd. Method and apparatus for anchoring rock bolts and cables
DE3532070A1 (en) * 1985-09-09 1987-03-26 Bwz Berg Ind Tech Roof bolt, in particular for mining
FR2614069A1 (en) * 1987-04-18 1988-10-21 Dyckerhoff & Widmann Ag FIELD RETENTION ANCHOR FOR CONSOLIDATING GALLERIES AND SPACES IN MINING AND TUNNELS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101280686B (en) * 2007-02-28 2014-04-09 简恩马股份有限公司 Improved cable bolt

Also Published As

Publication number Publication date
AU4867890A (en) 1990-07-26
EP0379388A2 (en) 1990-07-25

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