ZW23681A1 - A rock anchor - Google Patents
A rock anchorInfo
- Publication number
- ZW23681A1 ZW23681A1 ZW236/81A ZW23681A ZW23681A1 ZW 23681 A1 ZW23681 A1 ZW 23681A1 ZW 236/81 A ZW236/81 A ZW 236/81A ZW 23681 A ZW23681 A ZW 23681A ZW 23681 A1 ZW23681 A1 ZW 23681A1
- Authority
- ZW
- Zimbabwe
- Prior art keywords
- rock anchor
- rock
- anchor
- 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
- E21D21/0093—Accessories
-
- 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
- E21D21/0033—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts having a jacket or outer tube
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 |
---|---|---|---|
DE3047709A DE3047709C2 (de) | 1980-12-18 | 1980-12-18 | Gebirgsanker |
Publications (1)
Publication Number | Publication Date |
---|---|
ZW23681A1 true ZW23681A1 (en) | 1982-02-17 |
Family
ID=6119480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZW236/81A ZW23681A1 (en) | 1980-12-18 | 1981-09-22 | A rock anchor |
Country Status (8)
Country | Link |
---|---|
US (1) | US4440526A (es) |
AU (1) | AU545378B2 (es) |
CA (1) | CA1172477A (es) |
DE (1) | DE3047709C2 (es) |
ES (1) | ES508077A0 (es) |
FR (1) | FR2496752B1 (es) |
ZA (1) | ZA816373B (es) |
ZW (1) | ZW23681A1 (es) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI73046C (fi) * | 1983-06-13 | 1987-08-10 | Tampella Oy Ab | Foerfarande och apparat foer inmatning av gjutmedel i ett borrhaol vid gjutbultning av berg. |
DE3434020A1 (de) * | 1984-09-15 | 1986-03-27 | Klöckner-Becorit GmbH, 4620 Castrop-Rauxel | Nachgiebiger gebirgsanker |
US4750887A (en) * | 1986-08-11 | 1988-06-14 | Simmons Walter J | Anchor bolt assembly |
DE3629365A1 (de) * | 1986-08-29 | 1988-03-03 | Hausherr & Soehne Rudolf | Flexibler gebirgsanker |
DE3713291A1 (de) * | 1987-04-18 | 1988-11-03 | Dyckerhoff & Widmann Ag | Gebirgsanker zur sicherung von strecken und raeumen im berg- und tunnelbau |
US5472296A (en) * | 1992-08-20 | 1995-12-05 | Dyckerhoff & Widmann Aktiengesellschaft | Corrosion protected support element for a soil anchor or a rock anchor, a pressure pile or the like |
US5785463A (en) * | 1996-01-11 | 1998-07-28 | Jennmar Corporation | Combination cable bolt system |
US6074134A (en) * | 1997-02-14 | 2000-06-13 | Jennmar Corporation | Tensionable cable bolt |
AU2002351425B2 (en) * | 2001-11-15 | 2007-06-14 | Aveng (Africa) Limited | Rock bolt |
AU2003220700B2 (en) * | 2002-02-25 | 2007-09-06 | Steffen, Robertson & Kirsten (South Africa) (Pty) Ltd And William David Ortlepp | Rock bolt |
AU2003287766B2 (en) * | 2002-12-16 | 2007-05-17 | Garock Pty Ltd. | A yielding rock bolt |
AU2002953368A0 (en) * | 2002-12-16 | 2003-01-09 | Garford Pty Ltd | A yielding rock bolt |
US7736738B2 (en) * | 2003-12-17 | 2010-06-15 | Terrasimco Inc. | Coated mining bolt |
US8137032B2 (en) * | 2006-12-19 | 2012-03-20 | Minova International Limited | Anchor with grout jacket |
AU2009329796B2 (en) * | 2008-12-23 | 2014-02-06 | Hani Sabri Mitri | Sleeved cable bolt |
US9080444B1 (en) * | 2010-01-04 | 2015-07-14 | Rei, Inc. | Method and system of coal mine roof stabilization |
AU2012312022B2 (en) * | 2011-09-22 | 2017-04-20 | Boston Scientific Scimed, Inc. | Pelvic implant and treatment method |
JP6679757B2 (ja) * | 2016-08-10 | 2020-04-15 | コリア インスティチュート オブ シビル エンジニアリング アンド ビルディング テクノロジーKorea Institute Of Civil Engineering And Building Technology | マイクロパイルの波形グラウト球根及びその形成方法 |
CN109339840B (zh) * | 2018-11-13 | 2024-03-05 | 重庆大学 | 一种抗扭大变形锚杆 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1434225A (fr) * | 1965-01-25 | 1966-04-08 | Procédé et dispositif de soutènement par scellement, notamment des toits et des parements de mines | |
BE708923A (es) * | 1967-01-18 | 1968-05-16 | ||
FR92589E (fr) * | 1967-06-15 | 1968-11-29 | Assemblages pour tiges d'ancrage | |
US3460429A (en) * | 1967-04-19 | 1969-08-12 | Jack La Torre | Expansible fastener with expander therefor |
FR2304770A1 (fr) * | 1975-03-18 | 1976-10-15 | Bergwerksverband Gmbh | Ancrage de roche |
US4313695A (en) * | 1980-01-07 | 1982-02-02 | Ingersoll-Rand Company | Earth structure stabilizing method, and a friction rock stabilizer and an axial extension therefor |
-
1980
- 1980-12-18 DE DE3047709A patent/DE3047709C2/de not_active Expired
-
1981
- 1981-09-14 ZA ZA816373A patent/ZA816373B/xx unknown
- 1981-09-22 ZW ZW236/81A patent/ZW23681A1/xx unknown
- 1981-11-25 AU AU77864/81A patent/AU545378B2/en not_active Ceased
- 1981-12-16 CA CA000392477A patent/CA1172477A/en not_active Expired
- 1981-12-17 ES ES508077A patent/ES508077A0/es active Granted
- 1981-12-18 US US06/332,358 patent/US4440526A/en not_active Expired - Fee Related
- 1981-12-18 FR FR8123740A patent/FR2496752B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4440526A (en) | 1984-04-03 |
DE3047709A1 (de) | 1982-07-22 |
ES8302848A1 (es) | 1982-12-01 |
AU7786481A (en) | 1982-06-24 |
DE3047709C2 (de) | 1983-02-24 |
CA1172477A (en) | 1984-08-14 |
AU545378B2 (en) | 1985-07-11 |
FR2496752B1 (fr) | 1985-08-23 |
FR2496752A1 (fr) | 1982-06-25 |
ES508077A0 (es) | 1982-12-01 |
ZA816373B (en) | 1982-09-29 |
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