ZA897909B - Tubular rock bolt - Google Patents
Tubular rock boltInfo
- 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
Links
- 239000011435 rock Substances 0.000 title 1
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
- E21D21/02—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection having means for indicating tension
-
- 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
- E21D21/008—Anchoring 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)
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)
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)
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 |
-
1989
- 1989-10-12 AU AU42823/89A patent/AU626111B2/en not_active Expired
- 1989-10-18 EP EP89310689A patent/EP0366337A1/fr not_active Withdrawn
- 1989-10-19 ZA ZA897909A patent/ZA897909B/xx unknown
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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