CA1208947A - Rock bolt - Google Patents
Rock boltInfo
- Publication number
- CA1208947A CA1208947A CA000401359A CA401359A CA1208947A CA 1208947 A CA1208947 A CA 1208947A CA 000401359 A CA000401359 A CA 000401359A CA 401359 A CA401359 A CA 401359A CA 1208947 A CA1208947 A CA 1208947A
- Authority
- CA
- Canada
- Prior art keywords
- rod
- rock
- elements
- wedge
- washer
- 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.)
- Expired
Links
- 239000011435 rock Substances 0.000 title claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000011378 shotcrete Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 206010016173 Fall Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 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
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
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)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Dowels (AREA)
- Rock Bolts (AREA)
- Piles And Underground Anchors (AREA)
- Window Of Vehicle (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Inorganic Fibers (AREA)
- Steroid Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI811252 | 1981-04-22 | ||
| FI811252A FI64224C (fi) | 1981-04-22 | 1981-04-22 | Bergbult |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1208947A true CA1208947A (en) | 1986-08-05 |
Family
ID=8514328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000401359A Expired CA1208947A (en) | 1981-04-22 | 1982-04-21 | Rock bolt |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4444529A (enExample) |
| EP (1) | EP0064362B1 (enExample) |
| JP (1) | JPS57184200A (enExample) |
| AT (1) | ATE28494T1 (enExample) |
| CA (1) | CA1208947A (enExample) |
| DE (1) | DE3276827D1 (enExample) |
| FI (1) | FI64224C (enExample) |
| NO (1) | NO159956C (enExample) |
| ZA (1) | ZA822551B (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1331705C (en) * | 1988-07-26 | 1994-08-30 | Richard Roy Wood | Rock anchor |
| GB2278902B (en) * | 1993-06-08 | 1996-01-03 | Millfield Enterprises Limited | End fixing apparatus |
| DE10313689A1 (de) * | 2003-03-28 | 2004-11-04 | Storch, Dieter, Dipl.-Phys. | Druckklemme mit sehr großer Haltekraft |
| CN103266608B (zh) * | 2013-06-04 | 2016-01-06 | 山东科技大学 | 桁架组合式抗滑锚杆 |
| CN103343536B (zh) * | 2013-07-08 | 2016-05-18 | 山东科技大学 | 棘爪式土层锚杆及其应用 |
| CA2957748C (en) | 2017-02-13 | 2018-05-01 | Lyle Kenneth Adams | Rock bolt seal |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2690693A (en) * | 1950-09-07 | 1954-10-05 | Maxwell S Campbell | Fastener with expanding spring gripping means |
| US2651962A (en) * | 1951-06-25 | 1953-09-15 | John V Hammond | Wedge type bolt or pin |
| US2650476A (en) * | 1952-07-11 | 1953-09-01 | Samuel J Crockett | Dowel rod anchor |
| FR1286600A (fr) * | 1961-04-26 | 1962-03-02 | Dervaux Ets | Supports et organes similaires se fixant par auto-blocage élastique dans les trous de montage |
| FR87644E (fr) * | 1965-04-01 | 1966-04-15 | Forges Et Boulonneries Hermant | Dispositif d'ancrage |
| US3373649A (en) * | 1965-10-22 | 1968-03-19 | Inv S And Inv Consultants Inc | Split fastener with locking wedge |
| GB1195686A (en) * | 1966-10-03 | 1970-06-17 | James Deans Cumming | Improvements in or relating to Friction Grip Fasteners |
| US3680430A (en) * | 1970-05-06 | 1972-08-01 | Cannon & Ass Inc | Anchor bolt |
| DE2041526C3 (de) * | 1970-08-21 | 1980-06-04 | Dyckerhoff & Widmann Ag, 8000 Muenchen | Zugglied für einen Verpreßanker |
| ZA721168B (en) * | 1971-03-01 | 1972-11-29 | Explosives & Chem Prod | Improvements in or relating to the consolidation of rock strata |
| US4092814A (en) * | 1974-03-15 | 1978-06-06 | Dyckerhoff & Widmann Aktiengesellschaft | Reinforcing rod |
| FR2337812A1 (fr) * | 1976-01-08 | 1977-08-05 | Celtite Sa | Perfectionnement au procede et dispositif pour le soutenement des parements dans les galeries de mines |
| DE2829158A1 (de) * | 1978-07-03 | 1980-01-17 | Hilti Ag | Befestigungselement mit ankerbolzen und spreizkeil |
| DE2903694A1 (de) * | 1979-01-31 | 1980-08-14 | Gebirgssicherung Gmbh | Gebirgsanker |
| AU514153B2 (en) * | 1979-10-10 | 1981-01-29 | Scott, J.J. | Friction rock stabilizer |
-
1981
- 1981-04-22 FI FI811252A patent/FI64224C/fi not_active IP Right Cessation
-
1982
- 1982-04-14 ZA ZA822551A patent/ZA822551B/xx unknown
- 1982-04-20 US US06/370,275 patent/US4444529A/en not_active Expired - Fee Related
- 1982-04-21 EP EP82302048A patent/EP0064362B1/en not_active Expired
- 1982-04-21 CA CA000401359A patent/CA1208947A/en not_active Expired
- 1982-04-21 NO NO821294A patent/NO159956C/no unknown
- 1982-04-21 AT AT82302048T patent/ATE28494T1/de not_active IP Right Cessation
- 1982-04-21 DE DE8282302048T patent/DE3276827D1/de not_active Expired
- 1982-04-22 JP JP57068019A patent/JPS57184200A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NO159956C (no) | 1989-02-22 |
| DE3276827D1 (en) | 1987-08-27 |
| NO821294L (no) | 1982-10-25 |
| EP0064362A3 (en) | 1984-04-11 |
| NO159956B (no) | 1988-11-14 |
| FI811252L (fi) | 1982-10-23 |
| US4444529A (en) | 1984-04-24 |
| EP0064362B1 (en) | 1987-07-22 |
| JPH029159B2 (enExample) | 1990-02-28 |
| FI64224C (fi) | 1983-10-10 |
| ZA822551B (en) | 1983-05-25 |
| EP0064362A2 (en) | 1982-11-10 |
| ATE28494T1 (de) | 1987-08-15 |
| FI64224B (fi) | 1983-06-30 |
| JPS57184200A (en) | 1982-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6322307B1 (en) | Fixing anchor | |
| US5064311A (en) | Mine roof support structure and method | |
| AU667758B2 (en) | Non-metallic reinforcing rod and method of use in supporting a rock formation | |
| US4856952A (en) | Deformed bar for adhesion and applying tension | |
| US4984938A (en) | Coated washer for an anchor bolt system | |
| CA2449682C (en) | Rock bolt and method of use | |
| US5147151A (en) | Washer insert for bearing plate | |
| CA1208947A (en) | Rock bolt | |
| DE19513202A1 (de) | Vorrichtung zur Verankerung von Bewehrungs- bzw. Spannstählen in Verankerungsgründen | |
| US8550751B2 (en) | Non-tensionable cable bolt apparatus and related method | |
| DE102010002214A1 (de) | Bewehrungs- und/oder Ankerschraube | |
| WO2008154683A1 (en) | Rock bolt tendon tensioning | |
| EP0417429A1 (de) | Spreizdübel | |
| EP0680545B1 (en) | Means for anchoring a rock bolt made of concrete steel in a drill hole | |
| KR100479569B1 (ko) | 고정링과 조절판을 이용한 인장재 제거식 앵커 | |
| DE4112096C1 (enExample) | ||
| DE4032682C2 (de) | Gebirgsanker | |
| CA1169684A (en) | Anchor bolt | |
| KR200183408Y1 (ko) | 앵커 | |
| AU754805B2 (en) | A bolt and attachment, and a method of fitting the attachment | |
| CA1173675A (en) | Friction rock stabilizer and method of forming same, and a method of stabilizing an earth structure | |
| WO2004063531A1 (en) | Rock bolt re-tensioning | |
| ZA200901944B (en) | Tensioning system and tension member | |
| AU1014902A (en) | Rock bolt and method of installing mine services |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |