ZA897909B - Tubular rock bolt - Google Patents

Tubular rock bolt

Info

Publication number
ZA897909B
ZA897909B ZA897909A ZA897909A ZA897909B ZA 897909 B ZA897909 B ZA 897909B ZA 897909 A ZA897909 A ZA 897909A ZA 897909 A ZA897909 A ZA 897909A ZA 897909 B ZA897909 B ZA 897909B
Authority
ZA
South Africa
Prior art keywords
rock bolt
tubular rock
tubular
bolt
rock
Prior art date
Application number
ZA897909A
Other languages
English (en)
Inventor
Robert B Brooks
B Brooks Robert
Allen C Hunsberger
C Hunsberger Allen
Alan R Burgess
R Burgess Alan
Original Assignee
Stelco Inc
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 Stelco Inc filed Critical Stelco Inc
Publication of ZA897909B publication Critical patent/ZA897909B/xx

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/02Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection having means for indicating tension
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/008Anchoring or tensioning means

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)
ZA897909A 1988-10-19 1989-10-19 Tubular rock bolt ZA897909B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25988088A 1988-10-19 1988-10-19

Publications (1)

Publication Number Publication Date
ZA897909B true ZA897909B (en) 1990-09-26

Family

ID=22986817

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA897909A ZA897909B (en) 1988-10-19 1989-10-19 Tubular rock bolt

Country Status (3)

Country Link
EP (1) EP0366337A1 (fr)
AU (1) AU626111B2 (fr)
ZA (1) ZA897909B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10219155C1 (de) * 2002-04-29 2003-12-18 Welser Profile Ag Bergbaumetalldübel
CN109750664B (zh) * 2019-01-28 2020-10-30 中国矿业大学(北京) 一种新型双极恒阻大变形锚杆构件
CN114922178B (zh) * 2022-06-28 2023-01-24 兰州理工大学 一种地下土遗址坑壁裂隙加固装置及其使用方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2696137A (en) * 1949-10-15 1954-12-07 Super Grip Anchor Bolt Company Multicontact roof reinforcer or anchor
US2804797A (en) * 1954-06-23 1957-09-03 Super Grip Anchor Bolt Company Tubular, pronged reinforcing member for rock strata
GB1025728A (en) * 1963-11-06 1966-04-14 Chester Irving Williams Rock bolt assembly and method for determining strain and displacement in a rock formation
GB1164007A (en) * 1967-01-30 1969-09-10 William Ellis Worley Bolts
CA1286129C (fr) * 1986-06-24 1991-07-16 Inco Limited Boulon d'ancrage dans le roc pris dans un materiau durci, et dispositif servant a son implantation
GB2199952A (en) * 1987-01-16 1988-07-20 Coal Ind Method and apparatus for measuring load on a rock bolt

Also Published As

Publication number Publication date
EP0366337A1 (fr) 1990-05-02
AU4282389A (en) 1990-04-26
AU626111B2 (en) 1992-07-23

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