ZA202102599B - Multi-section rod suitable for crumbly rock stratus of mine and using method thereof - Google Patents
Multi-section rod suitable for crumbly rock stratus of mine and using method thereofInfo
- Publication number
- ZA202102599B ZA202102599B ZA2021/02599A ZA202102599A ZA202102599B ZA 202102599 B ZA202102599 B ZA 202102599B ZA 2021/02599 A ZA2021/02599 A ZA 2021/02599A ZA 202102599 A ZA202102599 A ZA 202102599A ZA 202102599 B ZA202102599 B ZA 202102599B
- Authority
- ZA
- South Africa
- Prior art keywords
- stratus
- mine
- section rod
- rod suitable
- crumbly
- 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
- E21D21/0026—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
- E21D20/00—Setting anchoring-bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor 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)
- Piles And Underground Anchors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110339956.4A CN113217061A (en) | 2021-03-30 | 2021-03-30 | Multi-section expansion anchor rod suitable for soft rock stratum of mine and using method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA202102599B true ZA202102599B (en) | 2022-02-23 |
Family
ID=77084441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA2021/02599A ZA202102599B (en) | 2021-03-30 | 2021-04-20 | Multi-section rod suitable for crumbly rock stratus of mine and using method thereof |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN113217061A (en) |
ZA (1) | ZA202102599B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114810171B (en) * | 2022-03-30 | 2023-03-10 | 西南交通大学 | Anchor rod with expandable end |
-
2021
- 2021-03-30 CN CN202110339956.4A patent/CN113217061A/en not_active Withdrawn
- 2021-04-20 ZA ZA2021/02599A patent/ZA202102599B/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN113217061A (en) | 2021-08-06 |
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